Home / 12,538.70-17,298.78-7,503.04

Finding the Fourth Proportional to 12,538.70, 17,298.78 and 7,503.04

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Solution

The fourth proportional to 12,538.70, 17,298.78 and 7,503.04 is: 10,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.70 : 17,298.78 = 7,503.04 : x
  2. Step 2: Convert to fraction form
    12,538.70/17,298.78 = 7,503.04/x
  3. Step 3: Cross multiply
    12,538.70x = 17,298.78 × 7,503.04
  4. Step 4: Simplify right side
    12,538.70x = 129,793,438.29
  5. Step 5: Solve for x
    x = 129,793,438.29/12,538.70
  6. Step 6: Final answer
    x = 10,351.43

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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.