Home / 14,449.30-19,939.02-8,160.46

Finding the Fourth Proportional to 14,449.30, 19,939.02 and 8,160.46

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Solution

The fourth proportional to 14,449.30, 19,939.02 and 8,160.46 is: 11,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.30 : 19,939.02 = 8,160.46 : x
  2. Step 2: Convert to fraction form
    14,449.30/19,939.02 = 8,160.46/x
  3. Step 3: Cross multiply
    14,449.30x = 19,939.02 × 8,160.46
  4. Step 4: Simplify right side
    14,449.30x = 162,711,575.15
  5. Step 5: Solve for x
    x = 162,711,575.15/14,449.30
  6. Step 6: Final answer
    x = 11,260.86

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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.