Home / 15,366.78-23,069.61-13,072.86

Finding the Fourth Proportional to 15,366.78, 23,069.61 and 13,072.86

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Solution

The fourth proportional to 15,366.78, 23,069.61 and 13,072.86 is: 19,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.78 : 23,069.61 = 13,072.86 : x
  2. Step 2: Convert to fraction form
    15,366.78/23,069.61 = 13,072.86/x
  3. Step 3: Cross multiply
    15,366.78x = 23,069.61 × 13,072.86
  4. Step 4: Simplify right side
    15,366.78x = 301,585,781.78
  5. Step 5: Solve for x
    x = 301,585,781.78/15,366.78
  6. Step 6: Final answer
    x = 19,625.83

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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.