Home / 15,447.43-21,304.76-9,474.90

Finding the Fourth Proportional to 15,447.43, 21,304.76 and 9,474.90

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Solution

The fourth proportional to 15,447.43, 21,304.76 and 9,474.90 is: 13,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.43 : 21,304.76 = 9,474.90 : x
  2. Step 2: Convert to fraction form
    15,447.43/21,304.76 = 9,474.90/x
  3. Step 3: Cross multiply
    15,447.43x = 21,304.76 × 9,474.90
  4. Step 4: Simplify right side
    15,447.43x = 201,860,364.00
  5. Step 5: Solve for x
    x = 201,860,364.00/15,447.43
  6. Step 6: Final answer
    x = 13,067.57

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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.