Home / 10,138.33-15,205.65-4,295.38

Finding the Fourth Proportional to 10,138.33, 15,205.65 and 4,295.38

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Solution

The fourth proportional to 10,138.33, 15,205.65 and 4,295.38 is: 6,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.33 : 15,205.65 = 4,295.38 : x
  2. Step 2: Convert to fraction form
    10,138.33/15,205.65 = 4,295.38/x
  3. Step 3: Cross multiply
    10,138.33x = 15,205.65 × 4,295.38
  4. Step 4: Simplify right side
    10,138.33x = 65,314,044.90
  5. Step 5: Solve for x
    x = 65,314,044.90/10,138.33
  6. Step 6: Final answer
    x = 6,442.29

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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.