Home / 15,514.66-21,410.34-8,441.08

Finding the Fourth Proportional to 15,514.66, 21,410.34 and 8,441.08

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Solution

The fourth proportional to 15,514.66, 21,410.34 and 8,441.08 is: 11,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.66 : 21,410.34 = 8,441.08 : x
  2. Step 2: Convert to fraction form
    15,514.66/21,410.34 = 8,441.08/x
  3. Step 3: Cross multiply
    15,514.66x = 21,410.34 × 8,441.08
  4. Step 4: Simplify right side
    15,514.66x = 180,726,392.77
  5. Step 5: Solve for x
    x = 180,726,392.77/15,514.66
  6. Step 6: Final answer
    x = 11,648.75

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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.