Home / 15,279.20-22,915.92-7,483.04

Finding the Fourth Proportional to 15,279.20, 22,915.92 and 7,483.04

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Solution

The fourth proportional to 15,279.20, 22,915.92 and 7,483.04 is: 11,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.20 : 22,915.92 = 7,483.04 : x
  2. Step 2: Convert to fraction form
    15,279.20/22,915.92 = 7,483.04/x
  3. Step 3: Cross multiply
    15,279.20x = 22,915.92 × 7,483.04
  4. Step 4: Simplify right side
    15,279.20x = 171,480,746.00
  5. Step 5: Solve for x
    x = 171,480,746.00/15,279.20
  6. Step 6: Final answer
    x = 11,223.15

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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.