Home / 15,442.68-23,158.53-6,672.81

Finding the Fourth Proportional to 15,442.68, 23,158.53 and 6,672.81

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Solution

The fourth proportional to 15,442.68, 23,158.53 and 6,672.81 is: 10,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.68 : 23,158.53 = 6,672.81 : x
  2. Step 2: Convert to fraction form
    15,442.68/23,158.53 = 6,672.81/x
  3. Step 3: Cross multiply
    15,442.68x = 23,158.53 × 6,672.81
  4. Step 4: Simplify right side
    15,442.68x = 154,532,470.57
  5. Step 5: Solve for x
    x = 154,532,470.57/15,442.68
  6. Step 6: Final answer
    x = 10,006.84

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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.