Home / 11,631.39-16,024.19-8,088.45

Finding the Fourth Proportional to 11,631.39, 16,024.19 and 8,088.45

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Solution

The fourth proportional to 11,631.39, 16,024.19 and 8,088.45 is: 11,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.39 : 16,024.19 = 8,088.45 : x
  2. Step 2: Convert to fraction form
    11,631.39/16,024.19 = 8,088.45/x
  3. Step 3: Cross multiply
    11,631.39x = 16,024.19 × 8,088.45
  4. Step 4: Simplify right side
    11,631.39x = 129,610,859.61
  5. Step 5: Solve for x
    x = 129,610,859.61/11,631.39
  6. Step 6: Final answer
    x = 11,143.20

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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.