Home / 19,358.79-29,049.12-8,264.45

Finding the Fourth Proportional to 19,358.79, 29,049.12 and 8,264.45

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Solution

The fourth proportional to 19,358.79, 29,049.12 and 8,264.45 is: 12,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.79 : 29,049.12 = 8,264.45 : x
  2. Step 2: Convert to fraction form
    19,358.79/29,049.12 = 8,264.45/x
  3. Step 3: Cross multiply
    19,358.79x = 29,049.12 × 8,264.45
  4. Step 4: Simplify right side
    19,358.79x = 240,074,854.54
  5. Step 5: Solve for x
    x = 240,074,854.54/19,358.79
  6. Step 6: Final answer
    x = 12,401.34

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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.