Home / 18,247.65-25,166.28-12,591.42

Finding the Fourth Proportional to 18,247.65, 25,166.28 and 12,591.42

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Solution

The fourth proportional to 18,247.65, 25,166.28 and 12,591.42 is: 17,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.65 : 25,166.28 = 12,591.42 : x
  2. Step 2: Convert to fraction form
    18,247.65/25,166.28 = 12,591.42/x
  3. Step 3: Cross multiply
    18,247.65x = 25,166.28 × 12,591.42
  4. Step 4: Simplify right side
    18,247.65x = 316,879,201.32
  5. Step 5: Solve for x
    x = 316,879,201.32/18,247.65
  6. Step 6: Final answer
    x = 17,365.48

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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.