Home / 12,502.12-18,746.16-4,177.75

Finding the Fourth Proportional to 12,502.12, 18,746.16 and 4,177.75

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Solution

The fourth proportional to 12,502.12, 18,746.16 and 4,177.75 is: 6,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.12 : 18,746.16 = 4,177.75 : x
  2. Step 2: Convert to fraction form
    12,502.12/18,746.16 = 4,177.75/x
  3. Step 3: Cross multiply
    12,502.12x = 18,746.16 × 4,177.75
  4. Step 4: Simplify right side
    12,502.12x = 78,316,769.94
  5. Step 5: Solve for x
    x = 78,316,769.94/12,502.12
  6. Step 6: Final answer
    x = 6,264.28

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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.