Home / 10,205.38-15,298.62-3,630.34

Finding the Fourth Proportional to 10,205.38, 15,298.62 and 3,630.34

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Solution

The fourth proportional to 10,205.38, 15,298.62 and 3,630.34 is: 5,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.38 : 15,298.62 = 3,630.34 : x
  2. Step 2: Convert to fraction form
    10,205.38/15,298.62 = 3,630.34/x
  3. Step 3: Cross multiply
    10,205.38x = 15,298.62 × 3,630.34
  4. Step 4: Simplify right side
    10,205.38x = 55,539,192.13
  5. Step 5: Solve for x
    x = 55,539,192.13/10,205.38
  6. Step 6: Final answer
    x = 5,442.15

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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.