Home / 15,432.66-23,150.06-7,639.38

Finding the Fourth Proportional to 15,432.66, 23,150.06 and 7,639.38

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Solution

The fourth proportional to 15,432.66, 23,150.06 and 7,639.38 is: 11,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.66 : 23,150.06 = 7,639.38 : x
  2. Step 2: Convert to fraction form
    15,432.66/23,150.06 = 7,639.38/x
  3. Step 3: Cross multiply
    15,432.66x = 23,150.06 × 7,639.38
  4. Step 4: Simplify right side
    15,432.66x = 176,852,105.36
  5. Step 5: Solve for x
    x = 176,852,105.36/15,432.66
  6. Step 6: Final answer
    x = 11,459.60

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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.