Home / 14,116.92-21,148.65-9,422.78

Finding the Fourth Proportional to 14,116.92, 21,148.65 and 9,422.78

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Solution

The fourth proportional to 14,116.92, 21,148.65 and 9,422.78 is: 14,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.92 : 21,148.65 = 9,422.78 : x
  2. Step 2: Convert to fraction form
    14,116.92/21,148.65 = 9,422.78/x
  3. Step 3: Cross multiply
    14,116.92x = 21,148.65 × 9,422.78
  4. Step 4: Simplify right side
    14,116.92x = 199,278,970.50
  5. Step 5: Solve for x
    x = 199,278,970.50/14,116.92
  6. Step 6: Final answer
    x = 14,116.32

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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.