Home / 15,265.74-21,067.07-8,551.02

Finding the Fourth Proportional to 15,265.74, 21,067.07 and 8,551.02

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Solution

The fourth proportional to 15,265.74, 21,067.07 and 8,551.02 is: 11,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.74 : 21,067.07 = 8,551.02 : x
  2. Step 2: Convert to fraction form
    15,265.74/21,067.07 = 8,551.02/x
  3. Step 3: Cross multiply
    15,265.74x = 21,067.07 × 8,551.02
  4. Step 4: Simplify right side
    15,265.74x = 180,144,894.16
  5. Step 5: Solve for x
    x = 180,144,894.16/15,265.74
  6. Step 6: Final answer
    x = 11,800.60

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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.