Home / 11,844.57-17,760.65-5,915.10

Finding the Fourth Proportional to 11,844.57, 17,760.65 and 5,915.10

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Solution

The fourth proportional to 11,844.57, 17,760.65 and 5,915.10 is: 8,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,844.57 : 17,760.65 = 5,915.10 : x
  2. Step 2: Convert to fraction form
    11,844.57/17,760.65 = 5,915.10/x
  3. Step 3: Cross multiply
    11,844.57x = 17,760.65 × 5,915.10
  4. Step 4: Simplify right side
    11,844.57x = 105,055,991.24
  5. Step 5: Solve for x
    x = 105,055,991.24/11,844.57
  6. Step 6: Final answer
    x = 8,869.55

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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.