Home / 9,508.70-13,121.34-5,529.53

Finding the Fourth Proportional to 9,508.70, 13,121.34 and 5,529.53

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Solution

The fourth proportional to 9,508.70, 13,121.34 and 5,529.53 is: 7,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.70 : 13,121.34 = 5,529.53 : x
  2. Step 2: Convert to fraction form
    9,508.70/13,121.34 = 5,529.53/x
  3. Step 3: Cross multiply
    9,508.70x = 13,121.34 × 5,529.53
  4. Step 4: Simplify right side
    9,508.70x = 72,554,843.17
  5. Step 5: Solve for x
    x = 72,554,843.17/9,508.70
  6. Step 6: Final answer
    x = 7,630.36

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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.