Home / 15,648.50-21,594.93-8,575.20

Finding the Fourth Proportional to 15,648.50, 21,594.93 and 8,575.20

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Solution

The fourth proportional to 15,648.50, 21,594.93 and 8,575.20 is: 11,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.50 : 21,594.93 = 8,575.20 : x
  2. Step 2: Convert to fraction form
    15,648.50/21,594.93 = 8,575.20/x
  3. Step 3: Cross multiply
    15,648.50x = 21,594.93 × 8,575.20
  4. Step 4: Simplify right side
    15,648.50x = 185,180,843.74
  5. Step 5: Solve for x
    x = 185,180,843.74/15,648.50
  6. Step 6: Final answer
    x = 11,833.78

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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.