Home / 10,747.53-16,120.89-2,956.14

Finding the Fourth Proportional to 10,747.53, 16,120.89 and 2,956.14

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Solution

The fourth proportional to 10,747.53, 16,120.89 and 2,956.14 is: 4,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.53 : 16,120.89 = 2,956.14 : x
  2. Step 2: Convert to fraction form
    10,747.53/16,120.89 = 2,956.14/x
  3. Step 3: Cross multiply
    10,747.53x = 16,120.89 × 2,956.14
  4. Step 4: Simplify right side
    10,747.53x = 47,655,607.76
  5. Step 5: Solve for x
    x = 47,655,607.76/10,747.53
  6. Step 6: Final answer
    x = 4,434.10

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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.