Home / 22,430.03-30,953.81-12,358.33

Finding the Fourth Proportional to 22,430.03, 30,953.81 and 12,358.33

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Solution

The fourth proportional to 22,430.03, 30,953.81 and 12,358.33 is: 17,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.03 : 30,953.81 = 12,358.33 : x
  2. Step 2: Convert to fraction form
    22,430.03/30,953.81 = 12,358.33/x
  3. Step 3: Cross multiply
    22,430.03x = 30,953.81 × 12,358.33
  4. Step 4: Simplify right side
    22,430.03x = 382,537,259.56
  5. Step 5: Solve for x
    x = 382,537,259.56/22,430.03
  6. Step 6: Final answer
    x = 17,054.69

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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.