Home / 14,282.90-21,425.20-5,517.86

Finding the Fourth Proportional to 14,282.90, 21,425.20 and 5,517.86

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Solution

The fourth proportional to 14,282.90, 21,425.20 and 5,517.86 is: 8,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.90 : 21,425.20 = 5,517.86 : x
  2. Step 2: Convert to fraction form
    14,282.90/21,425.20 = 5,517.86/x
  3. Step 3: Cross multiply
    14,282.90x = 21,425.20 × 5,517.86
  4. Step 4: Simplify right side
    14,282.90x = 118,221,254.07
  5. Step 5: Solve for x
    x = 118,221,254.07/14,282.90
  6. Step 6: Final answer
    x = 8,277.12

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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.