Home / 9,839.96-13,579.26-5,590.88

Finding the Fourth Proportional to 9,839.96, 13,579.26 and 5,590.88

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Solution

The fourth proportional to 9,839.96, 13,579.26 and 5,590.88 is: 7,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.96 : 13,579.26 = 5,590.88 : x
  2. Step 2: Convert to fraction form
    9,839.96/13,579.26 = 5,590.88/x
  3. Step 3: Cross multiply
    9,839.96x = 13,579.26 × 5,590.88
  4. Step 4: Simplify right side
    9,839.96x = 75,920,013.15
  5. Step 5: Solve for x
    x = 75,920,013.15/9,839.96
  6. Step 6: Final answer
    x = 7,715.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.