Home / 15,217.39-21,006.46-9,250.96

Finding the Fourth Proportional to 15,217.39, 21,006.46 and 9,250.96

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Solution

The fourth proportional to 15,217.39, 21,006.46 and 9,250.96 is: 12,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.39 : 21,006.46 = 9,250.96 : x
  2. Step 2: Convert to fraction form
    15,217.39/21,006.46 = 9,250.96/x
  3. Step 3: Cross multiply
    15,217.39x = 21,006.46 × 9,250.96
  4. Step 4: Simplify right side
    15,217.39x = 194,329,959.02
  5. Step 5: Solve for x
    x = 194,329,959.02/15,217.39
  6. Step 6: Final answer
    x = 12,770.26

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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.