Home / 18,694.38-28,017.17-7,588.07

Finding the Fourth Proportional to 18,694.38, 28,017.17 and 7,588.07

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Solution

The fourth proportional to 18,694.38, 28,017.17 and 7,588.07 is: 11,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.38 : 28,017.17 = 7,588.07 : x
  2. Step 2: Convert to fraction form
    18,694.38/28,017.17 = 7,588.07/x
  3. Step 3: Cross multiply
    18,694.38x = 28,017.17 × 7,588.07
  4. Step 4: Simplify right side
    18,694.38x = 212,596,247.16
  5. Step 5: Solve for x
    x = 212,596,247.16/18,694.38
  6. Step 6: Final answer
    x = 11,372.20

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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.