Home / 15,265.62-21,067.02-8,551.23

Finding the Fourth Proportional to 15,265.62, 21,067.02 and 8,551.23

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Solution

The fourth proportional to 15,265.62, 21,067.02 and 8,551.23 is: 11,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.62 : 21,067.02 = 8,551.23 : x
  2. Step 2: Convert to fraction form
    15,265.62/21,067.02 = 8,551.23/x
  3. Step 3: Cross multiply
    15,265.62x = 21,067.02 × 8,551.23
  4. Step 4: Simplify right side
    15,265.62x = 180,148,933.43
  5. Step 5: Solve for x
    x = 180,148,933.43/15,265.62
  6. Step 6: Final answer
    x = 11,800.96

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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.