Home / 15,126.35-22,640.85-8,088.75

Finding the Fourth Proportional to 15,126.35, 22,640.85 and 8,088.75

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Solution

The fourth proportional to 15,126.35, 22,640.85 and 8,088.75 is: 12,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.35 : 22,640.85 = 8,088.75 : x
  2. Step 2: Convert to fraction form
    15,126.35/22,640.85 = 8,088.75/x
  3. Step 3: Cross multiply
    15,126.35x = 22,640.85 × 8,088.75
  4. Step 4: Simplify right side
    15,126.35x = 183,136,175.44
  5. Step 5: Solve for x
    x = 183,136,175.44/15,126.35
  6. Step 6: Final answer
    x = 12,107.10

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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.