Home / 12,537.71-18,808.37-6,691.13

Finding the Fourth Proportional to 12,537.71, 18,808.37 and 6,691.13

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Solution

The fourth proportional to 12,537.71, 18,808.37 and 6,691.13 is: 10,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.71 : 18,808.37 = 6,691.13 : x
  2. Step 2: Convert to fraction form
    12,537.71/18,808.37 = 6,691.13/x
  3. Step 3: Cross multiply
    12,537.71x = 18,808.37 × 6,691.13
  4. Step 4: Simplify right side
    12,537.71x = 125,849,171.44
  5. Step 5: Solve for x
    x = 125,849,171.44/12,537.71
  6. Step 6: Final answer
    x = 10,037.66

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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.