Home / 14,254.18-21,381.27-6,354.65

Finding the Fourth Proportional to 14,254.18, 21,381.27 and 6,354.65

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Solution

The fourth proportional to 14,254.18, 21,381.27 and 6,354.65 is: 9,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.18 : 21,381.27 = 6,354.65 : x
  2. Step 2: Convert to fraction form
    14,254.18/21,381.27 = 6,354.65/x
  3. Step 3: Cross multiply
    14,254.18x = 21,381.27 × 6,354.65
  4. Step 4: Simplify right side
    14,254.18x = 135,870,517.03
  5. Step 5: Solve for x
    x = 135,870,517.03/14,254.18
  6. Step 6: Final answer
    x = 9,531.98

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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.