Home / 12,244.68-16,907.20-9,407.56

Finding the Fourth Proportional to 12,244.68, 16,907.20 and 9,407.56

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Solution

The fourth proportional to 12,244.68, 16,907.20 and 9,407.56 is: 12,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.68 : 16,907.20 = 9,407.56 : x
  2. Step 2: Convert to fraction form
    12,244.68/16,907.20 = 9,407.56/x
  3. Step 3: Cross multiply
    12,244.68x = 16,907.20 × 9,407.56
  4. Step 4: Simplify right side
    12,244.68x = 159,055,366.86
  5. Step 5: Solve for x
    x = 159,055,366.86/12,244.68
  6. Step 6: Final answer
    x = 12,989.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.