Home / 12,490.10-18,745.66-6,248.24

Finding the Fourth Proportional to 12,490.10, 18,745.66 and 6,248.24

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Solution

The fourth proportional to 12,490.10, 18,745.66 and 6,248.24 is: 9,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.10 : 18,745.66 = 6,248.24 : x
  2. Step 2: Convert to fraction form
    12,490.10/18,745.66 = 6,248.24/x
  3. Step 3: Cross multiply
    12,490.10x = 18,745.66 × 6,248.24
  4. Step 4: Simplify right side
    12,490.10x = 117,127,382.64
  5. Step 5: Solve for x
    x = 117,127,382.64/12,490.10
  6. Step 6: Final answer
    x = 9,377.62

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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.