Home / 9,724.88-14,552.76-7,121.36

Finding the Fourth Proportional to 9,724.88, 14,552.76 and 7,121.36

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Solution

The fourth proportional to 9,724.88, 14,552.76 and 7,121.36 is: 10,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.88 : 14,552.76 = 7,121.36 : x
  2. Step 2: Convert to fraction form
    9,724.88/14,552.76 = 7,121.36/x
  3. Step 3: Cross multiply
    9,724.88x = 14,552.76 × 7,121.36
  4. Step 4: Simplify right side
    9,724.88x = 103,635,442.95
  5. Step 5: Solve for x
    x = 103,635,442.95/9,724.88
  6. Step 6: Final answer
    x = 10,656.73

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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.