Home / 15,531.20-23,293.28-4,437.68

Finding the Fourth Proportional to 15,531.20, 23,293.28 and 4,437.68

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Solution

The fourth proportional to 15,531.20, 23,293.28 and 4,437.68 is: 6,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.20 : 23,293.28 = 4,437.68 : x
  2. Step 2: Convert to fraction form
    15,531.20/23,293.28 = 4,437.68/x
  3. Step 3: Cross multiply
    15,531.20x = 23,293.28 × 4,437.68
  4. Step 4: Simplify right side
    15,531.20x = 103,368,122.79
  5. Step 5: Solve for x
    x = 103,368,122.79/15,531.20
  6. Step 6: Final answer
    x = 6,655.51

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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.