Home / 10,088.91-15,224.38-9,722.79

Finding the Fourth Proportional to 10,088.91, 15,224.38 and 9,722.79

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Solution

The fourth proportional to 10,088.91, 15,224.38 and 9,722.79 is: 14,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.91 : 15,224.38 = 9,722.79 : x
  2. Step 2: Convert to fraction form
    10,088.91/15,224.38 = 9,722.79/x
  3. Step 3: Cross multiply
    10,088.91x = 15,224.38 × 9,722.79
  4. Step 4: Simplify right side
    10,088.91x = 148,023,425.31
  5. Step 5: Solve for x
    x = 148,023,425.31/10,088.91
  6. Step 6: Final answer
    x = 14,671.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.