Home / 15,207.54-22,792.68-8,639.28

Finding the Fourth Proportional to 15,207.54, 22,792.68 and 8,639.28

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Solution

The fourth proportional to 15,207.54, 22,792.68 and 8,639.28 is: 12,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.54 : 22,792.68 = 8,639.28 : x
  2. Step 2: Convert to fraction form
    15,207.54/22,792.68 = 8,639.28/x
  3. Step 3: Cross multiply
    15,207.54x = 22,792.68 × 8,639.28
  4. Step 4: Simplify right side
    15,207.54x = 196,912,344.47
  5. Step 5: Solve for x
    x = 196,912,344.47/15,207.54
  6. Step 6: Final answer
    x = 12,948.34

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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.