Home / 10,666.07-15,999.10-5,728.92

Finding the Fourth Proportional to 10,666.07, 15,999.10 and 5,728.92

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Solution

The fourth proportional to 10,666.07, 15,999.10 and 5,728.92 is: 8,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.07 : 15,999.10 = 5,728.92 : x
  2. Step 2: Convert to fraction form
    10,666.07/15,999.10 = 5,728.92/x
  3. Step 3: Cross multiply
    10,666.07x = 15,999.10 × 5,728.92
  4. Step 4: Simplify right side
    10,666.07x = 91,657,563.97
  5. Step 5: Solve for x
    x = 91,657,563.97/10,666.07
  6. Step 6: Final answer
    x = 8,593.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.