Home / 18,397.97-27,588.66-5,247.21

Finding the Fourth Proportional to 18,397.97, 27,588.66 and 5,247.21

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Solution

The fourth proportional to 18,397.97, 27,588.66 and 5,247.21 is: 7,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.97 : 27,588.66 = 5,247.21 : x
  2. Step 2: Convert to fraction form
    18,397.97/27,588.66 = 5,247.21/x
  3. Step 3: Cross multiply
    18,397.97x = 27,588.66 × 5,247.21
  4. Step 4: Simplify right side
    18,397.97x = 144,763,492.64
  5. Step 5: Solve for x
    x = 144,763,492.64/18,397.97
  6. Step 6: Final answer
    x = 7,868.45

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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.