Home / 13,452.70-18,565.17-7,403.18

Finding the Fourth Proportional to 13,452.70, 18,565.17 and 7,403.18

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Solution

The fourth proportional to 13,452.70, 18,565.17 and 7,403.18 is: 10,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.70 : 18,565.17 = 7,403.18 : x
  2. Step 2: Convert to fraction form
    13,452.70/18,565.17 = 7,403.18/x
  3. Step 3: Cross multiply
    13,452.70x = 18,565.17 × 7,403.18
  4. Step 4: Simplify right side
    13,452.70x = 137,441,295.24
  5. Step 5: Solve for x
    x = 137,441,295.24/13,452.70
  6. Step 6: Final answer
    x = 10,216.63

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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.