Home / 14,362.20-21,543.30-11,081.70

Finding the Fourth Proportional to 14,362.20, 21,543.30 and 11,081.70

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Solution

The fourth proportional to 14,362.20, 21,543.30 and 11,081.70 is: 16,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.20 : 21,543.30 = 11,081.70 : x
  2. Step 2: Convert to fraction form
    14,362.20/21,543.30 = 11,081.70/x
  3. Step 3: Cross multiply
    14,362.20x = 21,543.30 × 11,081.70
  4. Step 4: Simplify right side
    14,362.20x = 238,736,387.61
  5. Step 5: Solve for x
    x = 238,736,387.61/14,362.20
  6. Step 6: Final answer
    x = 16,622.55

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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.