Home / 10,200.32-15,291.37-4,932.38

Finding the Fourth Proportional to 10,200.32, 15,291.37 and 4,932.38

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Solution

The fourth proportional to 10,200.32, 15,291.37 and 4,932.38 is: 7,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.32 : 15,291.37 = 4,932.38 : x
  2. Step 2: Convert to fraction form
    10,200.32/15,291.37 = 4,932.38/x
  3. Step 3: Cross multiply
    10,200.32x = 15,291.37 × 4,932.38
  4. Step 4: Simplify right side
    10,200.32x = 75,422,822.90
  5. Step 5: Solve for x
    x = 75,422,822.90/10,200.32
  6. Step 6: Final answer
    x = 7,394.16

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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.