Home / 14,344.50-21,516.12-6,553.20

Finding the Fourth Proportional to 14,344.50, 21,516.12 and 6,553.20

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Solution

The fourth proportional to 14,344.50, 21,516.12 and 6,553.20 is: 9,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.50 : 21,516.12 = 6,553.20 : x
  2. Step 2: Convert to fraction form
    14,344.50/21,516.12 = 6,553.20/x
  3. Step 3: Cross multiply
    14,344.50x = 21,516.12 × 6,553.20
  4. Step 4: Simplify right side
    14,344.50x = 140,999,437.58
  5. Step 5: Solve for x
    x = 140,999,437.58/14,344.50
  6. Step 6: Final answer
    x = 9,829.51

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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.