Home / 10,712.84-16,079.64-5,170.08

Finding the Fourth Proportional to 10,712.84, 16,079.64 and 5,170.08

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Solution

The fourth proportional to 10,712.84, 16,079.64 and 5,170.08 is: 7,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.84 : 16,079.64 = 5,170.08 : x
  2. Step 2: Convert to fraction form
    10,712.84/16,079.64 = 5,170.08/x
  3. Step 3: Cross multiply
    10,712.84x = 16,079.64 × 5,170.08
  4. Step 4: Simplify right side
    10,712.84x = 83,133,025.17
  5. Step 5: Solve for x
    x = 83,133,025.17/10,712.84
  6. Step 6: Final answer
    x = 7,760.13

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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.