Home / 18,110.40-27,165.60-15,376.65

Finding the Fourth Proportional to 18,110.40, 27,165.60 and 15,376.65

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Solution

The fourth proportional to 18,110.40, 27,165.60 and 15,376.65 is: 23,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.40 : 27,165.60 = 15,376.65 : x
  2. Step 2: Convert to fraction form
    18,110.40/27,165.60 = 15,376.65/x
  3. Step 3: Cross multiply
    18,110.40x = 27,165.60 × 15,376.65
  4. Step 4: Simplify right side
    18,110.40x = 417,715,923.24
  5. Step 5: Solve for x
    x = 417,715,923.24/18,110.40
  6. Step 6: Final answer
    x = 23,064.98

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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.