Home / 10,135.60-15,196.04-6,840.56

Finding the Fourth Proportional to 10,135.60, 15,196.04 and 6,840.56

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Solution

The fourth proportional to 10,135.60, 15,196.04 and 6,840.56 is: 10,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.60 : 15,196.04 = 6,840.56 : x
  2. Step 2: Convert to fraction form
    10,135.60/15,196.04 = 6,840.56/x
  3. Step 3: Cross multiply
    10,135.60x = 15,196.04 × 6,840.56
  4. Step 4: Simplify right side
    10,135.60x = 103,949,423.38
  5. Step 5: Solve for x
    x = 103,949,423.38/10,135.60
  6. Step 6: Final answer
    x = 10,255.87

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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.