Home / 12,254.68-18,349.62-7,253.20

Finding the Fourth Proportional to 12,254.68, 18,349.62 and 7,253.20

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Solution

The fourth proportional to 12,254.68, 18,349.62 and 7,253.20 is: 10,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.68 : 18,349.62 = 7,253.20 : x
  2. Step 2: Convert to fraction form
    12,254.68/18,349.62 = 7,253.20/x
  3. Step 3: Cross multiply
    12,254.68x = 18,349.62 × 7,253.20
  4. Step 4: Simplify right side
    12,254.68x = 133,093,463.78
  5. Step 5: Solve for x
    x = 133,093,463.78/12,254.68
  6. Step 6: Final answer
    x = 10,860.62

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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.