Home / 18,237.29-27,344.98-7,130.75

Finding the Fourth Proportional to 18,237.29, 27,344.98 and 7,130.75

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Solution

The fourth proportional to 18,237.29, 27,344.98 and 7,130.75 is: 10,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.29 : 27,344.98 = 7,130.75 : x
  2. Step 2: Convert to fraction form
    18,237.29/27,344.98 = 7,130.75/x
  3. Step 3: Cross multiply
    18,237.29x = 27,344.98 × 7,130.75
  4. Step 4: Simplify right side
    18,237.29x = 194,990,216.14
  5. Step 5: Solve for x
    x = 194,990,216.14/18,237.29
  6. Step 6: Final answer
    x = 10,691.84

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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.