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Finding the Fourth Proportional to 15,278.01, 22,922.04 and 9,649.19

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Solution

The fourth proportional to 15,278.01, 22,922.04 and 9,649.19 is: 14,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.01 : 22,922.04 = 9,649.19 : x
  2. Step 2: Convert to fraction form
    15,278.01/22,922.04 = 9,649.19/x
  3. Step 3: Cross multiply
    15,278.01x = 22,922.04 × 9,649.19
  4. Step 4: Simplify right side
    15,278.01x = 221,179,004.54
  5. Step 5: Solve for x
    x = 221,179,004.54/15,278.01
  6. Step 6: Final answer
    x = 14,476.95

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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.