Home / 15,249.02-21,043.76-8,535.26

Finding the Fourth Proportional to 15,249.02, 21,043.76 and 8,535.26

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Solution

The fourth proportional to 15,249.02, 21,043.76 and 8,535.26 is: 11,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.02 : 21,043.76 = 8,535.26 : x
  2. Step 2: Convert to fraction form
    15,249.02/21,043.76 = 8,535.26/x
  3. Step 3: Cross multiply
    15,249.02x = 21,043.76 × 8,535.26
  4. Step 4: Simplify right side
    15,249.02x = 179,613,972.91
  5. Step 5: Solve for x
    x = 179,613,972.91/15,249.02
  6. Step 6: Final answer
    x = 11,778.73

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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.