Home / 15,743.77-21,719.55-9,452.50

Finding the Fourth Proportional to 15,743.77, 21,719.55 and 9,452.50

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Solution

The fourth proportional to 15,743.77, 21,719.55 and 9,452.50 is: 13,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.77 : 21,719.55 = 9,452.50 : x
  2. Step 2: Convert to fraction form
    15,743.77/21,719.55 = 9,452.50/x
  3. Step 3: Cross multiply
    15,743.77x = 21,719.55 × 9,452.50
  4. Step 4: Simplify right side
    15,743.77x = 205,304,046.38
  5. Step 5: Solve for x
    x = 205,304,046.38/15,743.77
  6. Step 6: Final answer
    x = 13,040.34

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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.