Home / 18,438.06-27,657.11-7,901.24

Finding the Fourth Proportional to 18,438.06, 27,657.11 and 7,901.24

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Solution

The fourth proportional to 18,438.06, 27,657.11 and 7,901.24 is: 11,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.06 : 27,657.11 = 7,901.24 : x
  2. Step 2: Convert to fraction form
    18,438.06/27,657.11 = 7,901.24/x
  3. Step 3: Cross multiply
    18,438.06x = 27,657.11 × 7,901.24
  4. Step 4: Simplify right side
    18,438.06x = 218,525,463.82
  5. Step 5: Solve for x
    x = 218,525,463.82/18,438.06
  6. Step 6: Final answer
    x = 11,851.87

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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.