Home / 22,430.89-30,954.63-13,004.92

Finding the Fourth Proportional to 22,430.89, 30,954.63 and 13,004.92

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Solution

The fourth proportional to 22,430.89, 30,954.63 and 13,004.92 is: 17,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.89 : 30,954.63 = 13,004.92 : x
  2. Step 2: Convert to fraction form
    22,430.89/30,954.63 = 13,004.92/x
  3. Step 3: Cross multiply
    22,430.89x = 30,954.63 × 13,004.92
  4. Step 4: Simplify right side
    22,430.89x = 402,562,486.78
  5. Step 5: Solve for x
    x = 402,562,486.78/22,430.89
  6. Step 6: Final answer
    x = 17,946.79

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.