Home / 15,825.16-23,737.20-4,138.39

Finding the Fourth Proportional to 15,825.16, 23,737.20 and 4,138.39

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Solution

The fourth proportional to 15,825.16, 23,737.20 and 4,138.39 is: 6,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.16 : 23,737.20 = 4,138.39 : x
  2. Step 2: Convert to fraction form
    15,825.16/23,737.20 = 4,138.39/x
  3. Step 3: Cross multiply
    15,825.16x = 23,737.20 × 4,138.39
  4. Step 4: Simplify right side
    15,825.16x = 98,233,791.11
  5. Step 5: Solve for x
    x = 98,233,791.11/15,825.16
  6. Step 6: Final answer
    x = 6,207.44

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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.