Home / 18,757.93-28,122.91-6,270.56

Finding the Fourth Proportional to 18,757.93, 28,122.91 and 6,270.56

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Solution

The fourth proportional to 18,757.93, 28,122.91 and 6,270.56 is: 9,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.93 : 28,122.91 = 6,270.56 : x
  2. Step 2: Convert to fraction form
    18,757.93/28,122.91 = 6,270.56/x
  3. Step 3: Cross multiply
    18,757.93x = 28,122.91 × 6,270.56
  4. Step 4: Simplify right side
    18,757.93x = 176,346,418.04
  5. Step 5: Solve for x
    x = 176,346,418.04/18,757.93
  6. Step 6: Final answer
    x = 9,401.17

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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.