Home / 9,930.56-14,882.55-5,249.45

Finding the Fourth Proportional to 9,930.56, 14,882.55 and 5,249.45

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Solution

The fourth proportional to 9,930.56, 14,882.55 and 5,249.45 is: 7,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.56 : 14,882.55 = 5,249.45 : x
  2. Step 2: Convert to fraction form
    9,930.56/14,882.55 = 5,249.45/x
  3. Step 3: Cross multiply
    9,930.56x = 14,882.55 × 5,249.45
  4. Step 4: Simplify right side
    9,930.56x = 78,125,127.68
  5. Step 5: Solve for x
    x = 78,125,127.68/9,930.56
  6. Step 6: Final answer
    x = 7,867.15

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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.