Home / 15,378.18-23,074.14-7,476.36

Finding the Fourth Proportional to 15,378.18, 23,074.14 and 7,476.36

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Solution

The fourth proportional to 15,378.18, 23,074.14 and 7,476.36 is: 11,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.18 : 23,074.14 = 7,476.36 : x
  2. Step 2: Convert to fraction form
    15,378.18/23,074.14 = 7,476.36/x
  3. Step 3: Cross multiply
    15,378.18x = 23,074.14 × 7,476.36
  4. Step 4: Simplify right side
    15,378.18x = 172,510,577.33
  5. Step 5: Solve for x
    x = 172,510,577.33/15,378.18
  6. Step 6: Final answer
    x = 11,217.88

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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.