Home / 15,972.93-22,044.77-9,169.64

Finding the Fourth Proportional to 15,972.93, 22,044.77 and 9,169.64

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Solution

The fourth proportional to 15,972.93, 22,044.77 and 9,169.64 is: 12,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.93 : 22,044.77 = 9,169.64 : x
  2. Step 2: Convert to fraction form
    15,972.93/22,044.77 = 9,169.64/x
  3. Step 3: Cross multiply
    15,972.93x = 22,044.77 × 9,169.64
  4. Step 4: Simplify right side
    15,972.93x = 202,142,604.78
  5. Step 5: Solve for x
    x = 202,142,604.78/15,972.93
  6. Step 6: Final answer
    x = 12,655.32

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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.