Home / 18,146.16-25,040.88-10,976.04

Finding the Fourth Proportional to 18,146.16, 25,040.88 and 10,976.04

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Solution

The fourth proportional to 18,146.16, 25,040.88 and 10,976.04 is: 15,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.16 : 25,040.88 = 10,976.04 : x
  2. Step 2: Convert to fraction form
    18,146.16/25,040.88 = 10,976.04/x
  3. Step 3: Cross multiply
    18,146.16x = 25,040.88 × 10,976.04
  4. Step 4: Simplify right side
    18,146.16x = 274,849,700.52
  5. Step 5: Solve for x
    x = 274,849,700.52/18,146.16
  6. Step 6: Final answer
    x = 15,146.44

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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.