Home / 15,088.59-20,807.79-9,037.87

Finding the Fourth Proportional to 15,088.59, 20,807.79 and 9,037.87

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Solution

The fourth proportional to 15,088.59, 20,807.79 and 9,037.87 is: 12,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.59 : 20,807.79 = 9,037.87 : x
  2. Step 2: Convert to fraction form
    15,088.59/20,807.79 = 9,037.87/x
  3. Step 3: Cross multiply
    15,088.59x = 20,807.79 × 9,037.87
  4. Step 4: Simplify right side
    15,088.59x = 188,058,019.56
  5. Step 5: Solve for x
    x = 188,058,019.56/15,088.59
  6. Step 6: Final answer
    x = 12,463.59

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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.