Home / 15,572.40-23,322.15-10,615.20

Finding the Fourth Proportional to 15,572.40, 23,322.15 and 10,615.20

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Solution

The fourth proportional to 15,572.40, 23,322.15 and 10,615.20 is: 15,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.40 : 23,322.15 = 10,615.20 : x
  2. Step 2: Convert to fraction form
    15,572.40/23,322.15 = 10,615.20/x
  3. Step 3: Cross multiply
    15,572.40x = 23,322.15 × 10,615.20
  4. Step 4: Simplify right side
    15,572.40x = 247,569,286.68
  5. Step 5: Solve for x
    x = 247,569,286.68/15,572.40
  6. Step 6: Final answer
    x = 15,897.95

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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.