Home / 10,320.11-15,475.43-3,298.76

Finding the Fourth Proportional to 10,320.11, 15,475.43 and 3,298.76

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Solution

The fourth proportional to 10,320.11, 15,475.43 and 3,298.76 is: 4,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.11 : 15,475.43 = 3,298.76 : x
  2. Step 2: Convert to fraction form
    10,320.11/15,475.43 = 3,298.76/x
  3. Step 3: Cross multiply
    10,320.11x = 15,475.43 × 3,298.76
  4. Step 4: Simplify right side
    10,320.11x = 51,049,660.34
  5. Step 5: Solve for x
    x = 51,049,660.34/10,320.11
  6. Step 6: Final answer
    x = 4,946.62

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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.