Home / 10,076.12-15,115.28-4,235.48

Finding the Fourth Proportional to 10,076.12, 15,115.28 and 4,235.48

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Solution

The fourth proportional to 10,076.12, 15,115.28 and 4,235.48 is: 6,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.12 : 15,115.28 = 4,235.48 : x
  2. Step 2: Convert to fraction form
    10,076.12/15,115.28 = 4,235.48/x
  3. Step 3: Cross multiply
    10,076.12x = 15,115.28 × 4,235.48
  4. Step 4: Simplify right side
    10,076.12x = 64,020,466.13
  5. Step 5: Solve for x
    x = 64,020,466.13/10,076.12
  6. Step 6: Final answer
    x = 6,353.68

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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.