Home / 12,265.29-18,397.51-3,500.20

Finding the Fourth Proportional to 12,265.29, 18,397.51 and 3,500.20

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Solution

The fourth proportional to 12,265.29, 18,397.51 and 3,500.20 is: 5,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.29 : 18,397.51 = 3,500.20 : x
  2. Step 2: Convert to fraction form
    12,265.29/18,397.51 = 3,500.20/x
  3. Step 3: Cross multiply
    12,265.29x = 18,397.51 × 3,500.20
  4. Step 4: Simplify right side
    12,265.29x = 64,394,964.50
  5. Step 5: Solve for x
    x = 64,394,964.50/12,265.29
  6. Step 6: Final answer
    x = 5,250.18

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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.