Home / 14,251.62-21,362.85-7,218.60

Finding the Fourth Proportional to 14,251.62, 21,362.85 and 7,218.60

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Solution

The fourth proportional to 14,251.62, 21,362.85 and 7,218.60 is: 10,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.62 : 21,362.85 = 7,218.60 : x
  2. Step 2: Convert to fraction form
    14,251.62/21,362.85 = 7,218.60/x
  3. Step 3: Cross multiply
    14,251.62x = 21,362.85 × 7,218.60
  4. Step 4: Simplify right side
    14,251.62x = 154,209,869.01
  5. Step 5: Solve for x
    x = 154,209,869.01/14,251.62
  6. Step 6: Final answer
    x = 10,820.52

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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.