Home / 14,188.97-21,273.57-6,287.18

Finding the Fourth Proportional to 14,188.97, 21,273.57 and 6,287.18

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Solution

The fourth proportional to 14,188.97, 21,273.57 and 6,287.18 is: 9,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.97 : 21,273.57 = 6,287.18 : x
  2. Step 2: Convert to fraction form
    14,188.97/21,273.57 = 6,287.18/x
  3. Step 3: Cross multiply
    14,188.97x = 21,273.57 × 6,287.18
  4. Step 4: Simplify right side
    14,188.97x = 133,750,657.46
  5. Step 5: Solve for x
    x = 133,750,657.46/14,188.97
  6. Step 6: Final answer
    x = 9,426.38

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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.