Home / 18,767.07-28,149.57-4,726.92

Finding the Fourth Proportional to 18,767.07, 28,149.57 and 4,726.92

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Solution

The fourth proportional to 18,767.07, 28,149.57 and 4,726.92 is: 7,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.07 : 28,149.57 = 4,726.92 : x
  2. Step 2: Convert to fraction form
    18,767.07/28,149.57 = 4,726.92/x
  3. Step 3: Cross multiply
    18,767.07x = 28,149.57 × 4,726.92
  4. Step 4: Simplify right side
    18,767.07x = 133,060,765.42
  5. Step 5: Solve for x
    x = 133,060,765.42/18,767.07
  6. Step 6: Final answer
    x = 7,090.12

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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.