Home / 15,903.12-23,868.92-11,691.68

Finding the Fourth Proportional to 15,903.12, 23,868.92 and 11,691.68

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Solution

The fourth proportional to 15,903.12, 23,868.92 and 11,691.68 is: 17,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.12 : 23,868.92 = 11,691.68 : x
  2. Step 2: Convert to fraction form
    15,903.12/23,868.92 = 11,691.68/x
  3. Step 3: Cross multiply
    15,903.12x = 23,868.92 × 11,691.68
  4. Step 4: Simplify right side
    15,903.12x = 279,067,774.59
  5. Step 5: Solve for x
    x = 279,067,774.59/15,903.12
  6. Step 6: Final answer
    x = 17,547.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.