Home / 15,407.96-21,262.97-8,334.36

Finding the Fourth Proportional to 15,407.96, 21,262.97 and 8,334.36

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Solution

The fourth proportional to 15,407.96, 21,262.97 and 8,334.36 is: 11,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.96 : 21,262.97 = 8,334.36 : x
  2. Step 2: Convert to fraction form
    15,407.96/21,262.97 = 8,334.36/x
  3. Step 3: Cross multiply
    15,407.96x = 21,262.97 × 8,334.36
  4. Step 4: Simplify right side
    15,407.96x = 177,213,267.49
  5. Step 5: Solve for x
    x = 177,213,267.49/15,407.96
  6. Step 6: Final answer
    x = 11,501.41

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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.