Home / 12,634.18-18,951.01-5,612.29

Finding the Fourth Proportional to 12,634.18, 18,951.01 and 5,612.29

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Solution

The fourth proportional to 12,634.18, 18,951.01 and 5,612.29 is: 8,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.18 : 18,951.01 = 5,612.29 : x
  2. Step 2: Convert to fraction form
    12,634.18/18,951.01 = 5,612.29/x
  3. Step 3: Cross multiply
    12,634.18x = 18,951.01 × 5,612.29
  4. Step 4: Simplify right side
    12,634.18x = 106,358,534.07
  5. Step 5: Solve for x
    x = 106,358,534.07/12,634.18
  6. Step 6: Final answer
    x = 8,418.32

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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.