Home / 15,514.94-21,410.56-8,441.48

Finding the Fourth Proportional to 15,514.94, 21,410.56 and 8,441.48

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Solution

The fourth proportional to 15,514.94, 21,410.56 and 8,441.48 is: 11,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.94 : 21,410.56 = 8,441.48 : x
  2. Step 2: Convert to fraction form
    15,514.94/21,410.56 = 8,441.48/x
  3. Step 3: Cross multiply
    15,514.94x = 21,410.56 × 8,441.48
  4. Step 4: Simplify right side
    15,514.94x = 180,736,878.11
  5. Step 5: Solve for x
    x = 180,736,878.11/15,514.94
  6. Step 6: Final answer
    x = 11,649.21

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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.