Home / 18,328.57-27,493.35-6,480.66

Finding the Fourth Proportional to 18,328.57, 27,493.35 and 6,480.66

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Solution

The fourth proportional to 18,328.57, 27,493.35 and 6,480.66 is: 9,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.57 : 27,493.35 = 6,480.66 : x
  2. Step 2: Convert to fraction form
    18,328.57/27,493.35 = 6,480.66/x
  3. Step 3: Cross multiply
    18,328.57x = 27,493.35 × 6,480.66
  4. Step 4: Simplify right side
    18,328.57x = 178,175,053.61
  5. Step 5: Solve for x
    x = 178,175,053.61/18,328.57
  6. Step 6: Final answer
    x = 9,721.17

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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.