Home / 15,088.48-20,820.19-8,373.17

Finding the Fourth Proportional to 15,088.48, 20,820.19 and 8,373.17

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Solution

The fourth proportional to 15,088.48, 20,820.19 and 8,373.17 is: 11,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.48 : 20,820.19 = 8,373.17 : x
  2. Step 2: Convert to fraction form
    15,088.48/20,820.19 = 8,373.17/x
  3. Step 3: Cross multiply
    15,088.48x = 20,820.19 × 8,373.17
  4. Step 4: Simplify right side
    15,088.48x = 174,331,037.12
  5. Step 5: Solve for x
    x = 174,331,037.12/15,088.48
  6. Step 6: Final answer
    x = 11,553.92

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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.