Home / 19,610.28-27,061.38-11,225.64

Finding the Fourth Proportional to 19,610.28, 27,061.38 and 11,225.64

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Solution

The fourth proportional to 19,610.28, 27,061.38 and 11,225.64 is: 15,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.28 : 27,061.38 = 11,225.64 : x
  2. Step 2: Convert to fraction form
    19,610.28/27,061.38 = 11,225.64/x
  3. Step 3: Cross multiply
    19,610.28x = 27,061.38 × 11,225.64
  4. Step 4: Simplify right side
    19,610.28x = 303,781,309.78
  5. Step 5: Solve for x
    x = 303,781,309.78/19,610.28
  6. Step 6: Final answer
    x = 15,490.92

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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.