Home / 12,240.27-18,369.63-5,671.06

Finding the Fourth Proportional to 12,240.27, 18,369.63 and 5,671.06

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Solution

The fourth proportional to 12,240.27, 18,369.63 and 5,671.06 is: 8,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.27 : 18,369.63 = 5,671.06 : x
  2. Step 2: Convert to fraction form
    12,240.27/18,369.63 = 5,671.06/x
  3. Step 3: Cross multiply
    12,240.27x = 18,369.63 × 5,671.06
  4. Step 4: Simplify right side
    12,240.27x = 104,175,273.91
  5. Step 5: Solve for x
    x = 104,175,273.91/12,240.27
  6. Step 6: Final answer
    x = 8,510.86

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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.