Home / 18,127.28-25,008.42-11,041.40

Finding the Fourth Proportional to 18,127.28, 25,008.42 and 11,041.40

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Solution

The fourth proportional to 18,127.28, 25,008.42 and 11,041.40 is: 15,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.28 : 25,008.42 = 11,041.40 : x
  2. Step 2: Convert to fraction form
    18,127.28/25,008.42 = 11,041.40/x
  3. Step 3: Cross multiply
    18,127.28x = 25,008.42 × 11,041.40
  4. Step 4: Simplify right side
    18,127.28x = 276,127,968.59
  5. Step 5: Solve for x
    x = 276,127,968.59/18,127.28
  6. Step 6: Final answer
    x = 15,232.73

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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.