Home / 14,115.10-21,164.55-4,252.90

Finding the Fourth Proportional to 14,115.10, 21,164.55 and 4,252.90

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Solution

The fourth proportional to 14,115.10, 21,164.55 and 4,252.90 is: 6,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.10 : 21,164.55 = 4,252.90 : x
  2. Step 2: Convert to fraction form
    14,115.10/21,164.55 = 4,252.90/x
  3. Step 3: Cross multiply
    14,115.10x = 21,164.55 × 4,252.90
  4. Step 4: Simplify right side
    14,115.10x = 90,010,714.70
  5. Step 5: Solve for x
    x = 90,010,714.70/14,115.10
  6. Step 6: Final answer
    x = 6,376.91

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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.