Home / 12,248.18-18,363.02-6,318.70

Finding the Fourth Proportional to 12,248.18, 18,363.02 and 6,318.70

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Solution

The fourth proportional to 12,248.18, 18,363.02 and 6,318.70 is: 9,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.18 : 18,363.02 = 6,318.70 : x
  2. Step 2: Convert to fraction form
    12,248.18/18,363.02 = 6,318.70/x
  3. Step 3: Cross multiply
    12,248.18x = 18,363.02 × 6,318.70
  4. Step 4: Simplify right side
    12,248.18x = 116,030,414.47
  5. Step 5: Solve for x
    x = 116,030,414.47/12,248.18
  6. Step 6: Final answer
    x = 9,473.28

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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.