Home / 14,253.92-19,675.89-12,759.20

Finding the Fourth Proportional to 14,253.92, 19,675.89 and 12,759.20

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Solution

The fourth proportional to 14,253.92, 19,675.89 and 12,759.20 is: 17,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.92 : 19,675.89 = 12,759.20 : x
  2. Step 2: Convert to fraction form
    14,253.92/19,675.89 = 12,759.20/x
  3. Step 3: Cross multiply
    14,253.92x = 19,675.89 × 12,759.20
  4. Step 4: Simplify right side
    14,253.92x = 251,048,517.31
  5. Step 5: Solve for x
    x = 251,048,517.31/14,253.92
  6. Step 6: Final answer
    x = 17,612.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.