Home / 15,622.82-21,552.87-9,575.42

Finding the Fourth Proportional to 15,622.82, 21,552.87 and 9,575.42

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Solution

The fourth proportional to 15,622.82, 21,552.87 and 9,575.42 is: 13,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.82 : 21,552.87 = 9,575.42 : x
  2. Step 2: Convert to fraction form
    15,622.82/21,552.87 = 9,575.42/x
  3. Step 3: Cross multiply
    15,622.82x = 21,552.87 × 9,575.42
  4. Step 4: Simplify right side
    15,622.82x = 206,377,782.46
  5. Step 5: Solve for x
    x = 206,377,782.46/15,622.82
  6. Step 6: Final answer
    x = 13,210.02

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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.