Home / 15,002.28-20,704.41-8,714.25

Finding the Fourth Proportional to 15,002.28, 20,704.41 and 8,714.25

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Solution

The fourth proportional to 15,002.28, 20,704.41 and 8,714.25 is: 12,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.28 : 20,704.41 = 8,714.25 : x
  2. Step 2: Convert to fraction form
    15,002.28/20,704.41 = 8,714.25/x
  3. Step 3: Cross multiply
    15,002.28x = 20,704.41 × 8,714.25
  4. Step 4: Simplify right side
    15,002.28x = 180,423,404.84
  5. Step 5: Solve for x
    x = 180,423,404.84/15,002.28
  6. Step 6: Final answer
    x = 12,026.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.