Home / 18,291.33-25,242.12-9,907.83

Finding the Fourth Proportional to 18,291.33, 25,242.12 and 9,907.83

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Solution

The fourth proportional to 18,291.33, 25,242.12 and 9,907.83 is: 13,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.33 : 25,242.12 = 9,907.83 : x
  2. Step 2: Convert to fraction form
    18,291.33/25,242.12 = 9,907.83/x
  3. Step 3: Cross multiply
    18,291.33x = 25,242.12 × 9,907.83
  4. Step 4: Simplify right side
    18,291.33x = 250,094,633.80
  5. Step 5: Solve for x
    x = 250,094,633.80/18,291.33
  6. Step 6: Final answer
    x = 13,672.85

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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.