Home / 16,500.78-24,751.26-5,407.92

Finding the Fourth Proportional to 16,500.78, 24,751.26 and 5,407.92

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Solution

The fourth proportional to 16,500.78, 24,751.26 and 5,407.92 is: 8,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500.78 : 24,751.26 = 5,407.92 : x
  2. Step 2: Convert to fraction form
    16,500.78/24,751.26 = 5,407.92/x
  3. Step 3: Cross multiply
    16,500.78x = 24,751.26 × 5,407.92
  4. Step 4: Simplify right side
    16,500.78x = 133,852,833.98
  5. Step 5: Solve for x
    x = 133,852,833.98/16,500.78
  6. Step 6: Final answer
    x = 8,111.91

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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.