Home / 18,117.35-27,172.06-9,223.25

Finding the Fourth Proportional to 18,117.35, 27,172.06 and 9,223.25

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Solution

The fourth proportional to 18,117.35, 27,172.06 and 9,223.25 is: 13,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.35 : 27,172.06 = 9,223.25 : x
  2. Step 2: Convert to fraction form
    18,117.35/27,172.06 = 9,223.25/x
  3. Step 3: Cross multiply
    18,117.35x = 27,172.06 × 9,223.25
  4. Step 4: Simplify right side
    18,117.35x = 250,614,543.48
  5. Step 5: Solve for x
    x = 250,614,543.48/18,117.35
  6. Step 6: Final answer
    x = 13,832.85

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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.