Home / 15,224.43-21,009.56-8,935.59

Finding the Fourth Proportional to 15,224.43, 21,009.56 and 8,935.59

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Solution

The fourth proportional to 15,224.43, 21,009.56 and 8,935.59 is: 12,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.43 : 21,009.56 = 8,935.59 : x
  2. Step 2: Convert to fraction form
    15,224.43/21,009.56 = 8,935.59/x
  3. Step 3: Cross multiply
    15,224.43x = 21,009.56 × 8,935.59
  4. Step 4: Simplify right side
    15,224.43x = 187,732,769.56
  5. Step 5: Solve for x
    x = 187,732,769.56/15,224.43
  6. Step 6: Final answer
    x = 12,331.02

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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.