Home / 15,358.34-23,065.23-7,967.90

Finding the Fourth Proportional to 15,358.34, 23,065.23 and 7,967.90

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Solution

The fourth proportional to 15,358.34, 23,065.23 and 7,967.90 is: 11,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358.34 : 23,065.23 = 7,967.90 : x
  2. Step 2: Convert to fraction form
    15,358.34/23,065.23 = 7,967.90/x
  3. Step 3: Cross multiply
    15,358.34x = 23,065.23 × 7,967.90
  4. Step 4: Simplify right side
    15,358.34x = 183,781,446.12
  5. Step 5: Solve for x
    x = 183,781,446.12/15,358.34
  6. Step 6: Final answer
    x = 11,966.23

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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.