Home / 9,323.88-13,988.28-5,424.96

Finding the Fourth Proportional to 9,323.88, 13,988.28 and 5,424.96

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Solution

The fourth proportional to 9,323.88, 13,988.28 and 5,424.96 is: 8,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.88 : 13,988.28 = 5,424.96 : x
  2. Step 2: Convert to fraction form
    9,323.88/13,988.28 = 5,424.96/x
  3. Step 3: Cross multiply
    9,323.88x = 13,988.28 × 5,424.96
  4. Step 4: Simplify right side
    9,323.88x = 75,885,859.47
  5. Step 5: Solve for x
    x = 75,885,859.47/9,323.88
  6. Step 6: Final answer
    x = 8,138.87

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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.