Home / 15,552.55-21,451.57-9,582.31

Finding the Fourth Proportional to 15,552.55, 21,451.57 and 9,582.31

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Solution

The fourth proportional to 15,552.55, 21,451.57 and 9,582.31 is: 13,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.55 : 21,451.57 = 9,582.31 : x
  2. Step 2: Convert to fraction form
    15,552.55/21,451.57 = 9,582.31/x
  3. Step 3: Cross multiply
    15,552.55x = 21,451.57 × 9,582.31
  4. Step 4: Simplify right side
    15,552.55x = 205,555,593.73
  5. Step 5: Solve for x
    x = 205,555,593.73/15,552.55
  6. Step 6: Final answer
    x = 13,216.84

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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.