Home / 12,497.86-18,752.90-5,476.91

Finding the Fourth Proportional to 12,497.86, 18,752.90 and 5,476.91

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Solution

The fourth proportional to 12,497.86, 18,752.90 and 5,476.91 is: 8,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.86 : 18,752.90 = 5,476.91 : x
  2. Step 2: Convert to fraction form
    12,497.86/18,752.90 = 5,476.91/x
  3. Step 3: Cross multiply
    12,497.86x = 18,752.90 × 5,476.91
  4. Step 4: Simplify right side
    12,497.86x = 102,707,945.54
  5. Step 5: Solve for x
    x = 102,707,945.54/12,497.86
  6. Step 6: Final answer
    x = 8,218.04

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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.