Home / 10,394.06-15,591.10-4,156.86

Finding the Fourth Proportional to 10,394.06, 15,591.10 and 4,156.86

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Solution

The fourth proportional to 10,394.06, 15,591.10 and 4,156.86 is: 6,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.06 : 15,591.10 = 4,156.86 : x
  2. Step 2: Convert to fraction form
    10,394.06/15,591.10 = 4,156.86/x
  3. Step 3: Cross multiply
    10,394.06x = 15,591.10 × 4,156.86
  4. Step 4: Simplify right side
    10,394.06x = 64,810,009.55
  5. Step 5: Solve for x
    x = 64,810,009.55/10,394.06
  6. Step 6: Final answer
    x = 6,235.29

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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.