Home / 10,660.23-15,981.22-4,091.13

Finding the Fourth Proportional to 10,660.23, 15,981.22 and 4,091.13

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Solution

The fourth proportional to 10,660.23, 15,981.22 and 4,091.13 is: 6,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.23 : 15,981.22 = 4,091.13 : x
  2. Step 2: Convert to fraction form
    10,660.23/15,981.22 = 4,091.13/x
  3. Step 3: Cross multiply
    10,660.23x = 15,981.22 × 4,091.13
  4. Step 4: Simplify right side
    10,660.23x = 65,381,248.58
  5. Step 5: Solve for x
    x = 65,381,248.58/10,660.23
  6. Step 6: Final answer
    x = 6,133.19

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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.