Home / 18,227.28-25,159.80-11,524.08

Finding the Fourth Proportional to 18,227.28, 25,159.80 and 11,524.08

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Solution

The fourth proportional to 18,227.28, 25,159.80 and 11,524.08 is: 15,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.28 : 25,159.80 = 11,524.08 : x
  2. Step 2: Convert to fraction form
    18,227.28/25,159.80 = 11,524.08/x
  3. Step 3: Cross multiply
    18,227.28x = 25,159.80 × 11,524.08
  4. Step 4: Simplify right side
    18,227.28x = 289,943,547.98
  5. Step 5: Solve for x
    x = 289,943,547.98/18,227.28
  6. Step 6: Final answer
    x = 15,907.12

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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.