Home / 14,522.78-20,042.52-8,150.12

Finding the Fourth Proportional to 14,522.78, 20,042.52 and 8,150.12

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Solution

The fourth proportional to 14,522.78, 20,042.52 and 8,150.12 is: 11,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.78 : 20,042.52 = 8,150.12 : x
  2. Step 2: Convert to fraction form
    14,522.78/20,042.52 = 8,150.12/x
  3. Step 3: Cross multiply
    14,522.78x = 20,042.52 × 8,150.12
  4. Step 4: Simplify right side
    14,522.78x = 163,348,943.10
  5. Step 5: Solve for x
    x = 163,348,943.10/14,522.78
  6. Step 6: Final answer
    x = 11,247.77

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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.