Home / 10,310.15-15,463.51-2,912.92

Finding the Fourth Proportional to 10,310.15, 15,463.51 and 2,912.92

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Solution

The fourth proportional to 10,310.15, 15,463.51 and 2,912.92 is: 4,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.15 : 15,463.51 = 2,912.92 : x
  2. Step 2: Convert to fraction form
    10,310.15/15,463.51 = 2,912.92/x
  3. Step 3: Cross multiply
    10,310.15x = 15,463.51 × 2,912.92
  4. Step 4: Simplify right side
    10,310.15x = 45,043,967.55
  5. Step 5: Solve for x
    x = 45,043,967.55/10,310.15
  6. Step 6: Final answer
    x = 4,368.90

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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.