Home / 12,248.12-18,372.20-4,457.54

Finding the Fourth Proportional to 12,248.12, 18,372.20 and 4,457.54

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Solution

The fourth proportional to 12,248.12, 18,372.20 and 4,457.54 is: 6,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.12 : 18,372.20 = 4,457.54 : x
  2. Step 2: Convert to fraction form
    12,248.12/18,372.20 = 4,457.54/x
  3. Step 3: Cross multiply
    12,248.12x = 18,372.20 × 4,457.54
  4. Step 4: Simplify right side
    12,248.12x = 81,894,702.24
  5. Step 5: Solve for x
    x = 81,894,702.24/12,248.12
  6. Step 6: Final answer
    x = 6,686.31

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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.