Home / 18,122.16-27,173.40-5,636.76

Finding the Fourth Proportional to 18,122.16, 27,173.40 and 5,636.76

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Solution

The fourth proportional to 18,122.16, 27,173.40 and 5,636.76 is: 8,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.16 : 27,173.40 = 5,636.76 : x
  2. Step 2: Convert to fraction form
    18,122.16/27,173.40 = 5,636.76/x
  3. Step 3: Cross multiply
    18,122.16x = 27,173.40 × 5,636.76
  4. Step 4: Simplify right side
    18,122.16x = 153,169,934.18
  5. Step 5: Solve for x
    x = 153,169,934.18/18,122.16
  6. Step 6: Final answer
    x = 8,452.08

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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.