Home / 14,227.38-21,343.57-4,865.20

Finding the Fourth Proportional to 14,227.38, 21,343.57 and 4,865.20

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Solution

The fourth proportional to 14,227.38, 21,343.57 and 4,865.20 is: 7,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.38 : 21,343.57 = 4,865.20 : x
  2. Step 2: Convert to fraction form
    14,227.38/21,343.57 = 4,865.20/x
  3. Step 3: Cross multiply
    14,227.38x = 21,343.57 × 4,865.20
  4. Step 4: Simplify right side
    14,227.38x = 103,840,671.24
  5. Step 5: Solve for x
    x = 103,840,671.24/14,227.38
  6. Step 6: Final answer
    x = 7,298.65

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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.