Home / 15,358.92-23,007.83-11,836.66

Finding the Fourth Proportional to 15,358.92, 23,007.83 and 11,836.66

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Solution

The fourth proportional to 15,358.92, 23,007.83 and 11,836.66 is: 17,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358.92 : 23,007.83 = 11,836.66 : x
  2. Step 2: Convert to fraction form
    15,358.92/23,007.83 = 11,836.66/x
  3. Step 3: Cross multiply
    15,358.92x = 23,007.83 × 11,836.66
  4. Step 4: Simplify right side
    15,358.92x = 272,335,861.05
  5. Step 5: Solve for x
    x = 272,335,861.05/15,358.92
  6. Step 6: Final answer
    x = 17,731.45

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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.