Home / 15,595.20-21,539.25-11,365.11

Finding the Fourth Proportional to 15,595.20, 21,539.25 and 11,365.11

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Solution

The fourth proportional to 15,595.20, 21,539.25 and 11,365.11 is: 15,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.20 : 21,539.25 = 11,365.11 : x
  2. Step 2: Convert to fraction form
    15,595.20/21,539.25 = 11,365.11/x
  3. Step 3: Cross multiply
    15,595.20x = 21,539.25 × 11,365.11
  4. Step 4: Simplify right side
    15,595.20x = 244,795,945.57
  5. Step 5: Solve for x
    x = 244,795,945.57/15,595.20
  6. Step 6: Final answer
    x = 15,696.88

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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.