Home / 15,753.33-21,739.52-8,582.72

Finding the Fourth Proportional to 15,753.33, 21,739.52 and 8,582.72

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Solution

The fourth proportional to 15,753.33, 21,739.52 and 8,582.72 is: 11,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.33 : 21,739.52 = 8,582.72 : x
  2. Step 2: Convert to fraction form
    15,753.33/21,739.52 = 8,582.72/x
  3. Step 3: Cross multiply
    15,753.33x = 21,739.52 × 8,582.72
  4. Step 4: Simplify right side
    15,753.33x = 186,584,125.85
  5. Step 5: Solve for x
    x = 186,584,125.85/15,753.33
  6. Step 6: Final answer
    x = 11,844.11

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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.