Home / 9,913.24-13,679.97-5,605.88

Finding the Fourth Proportional to 9,913.24, 13,679.97 and 5,605.88

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Solution

The fourth proportional to 9,913.24, 13,679.97 and 5,605.88 is: 7,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.24 : 13,679.97 = 5,605.88 : x
  2. Step 2: Convert to fraction form
    9,913.24/13,679.97 = 5,605.88/x
  3. Step 3: Cross multiply
    9,913.24x = 13,679.97 × 5,605.88
  4. Step 4: Simplify right side
    9,913.24x = 76,688,180.80
  5. Step 5: Solve for x
    x = 76,688,180.80/9,913.24
  6. Step 6: Final answer
    x = 7,735.93

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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.