Home / 19,366.40-29,042.22-8,278.22

Finding the Fourth Proportional to 19,366.40, 29,042.22 and 8,278.22

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Solution

The fourth proportional to 19,366.40, 29,042.22 and 8,278.22 is: 12,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.40 : 29,042.22 = 8,278.22 : x
  2. Step 2: Convert to fraction form
    19,366.40/29,042.22 = 8,278.22/x
  3. Step 3: Cross multiply
    19,366.40x = 29,042.22 × 8,278.22
  4. Step 4: Simplify right side
    19,366.40x = 240,417,886.45
  5. Step 5: Solve for x
    x = 240,417,886.45/19,366.40
  6. Step 6: Final answer
    x = 12,414.18

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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.