Home / 10,311.28-15,466.40-2,914.76

Finding the Fourth Proportional to 10,311.28, 15,466.40 and 2,914.76

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Solution

The fourth proportional to 10,311.28, 15,466.40 and 2,914.76 is: 4,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.28 : 15,466.40 = 2,914.76 : x
  2. Step 2: Convert to fraction form
    10,311.28/15,466.40 = 2,914.76/x
  3. Step 3: Cross multiply
    10,311.28x = 15,466.40 × 2,914.76
  4. Step 4: Simplify right side
    10,311.28x = 45,080,844.06
  5. Step 5: Solve for x
    x = 45,080,844.06/10,311.28
  6. Step 6: Final answer
    x = 4,371.99

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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.