Home / 14,344.40-21,487.17-8,486.75

Finding the Fourth Proportional to 14,344.40, 21,487.17 and 8,486.75

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Solution

The fourth proportional to 14,344.40, 21,487.17 and 8,486.75 is: 12,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.40 : 21,487.17 = 8,486.75 : x
  2. Step 2: Convert to fraction form
    14,344.40/21,487.17 = 8,486.75/x
  3. Step 3: Cross multiply
    14,344.40x = 21,487.17 × 8,486.75
  4. Step 4: Simplify right side
    14,344.40x = 182,356,240.00
  5. Step 5: Solve for x
    x = 182,356,240.00/14,344.40
  6. Step 6: Final answer
    x = 12,712.71

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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.