Home / 15,633.75-21,575.12-8,560.23

Finding the Fourth Proportional to 15,633.75, 21,575.12 and 8,560.23

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Solution

The fourth proportional to 15,633.75, 21,575.12 and 8,560.23 is: 11,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.75 : 21,575.12 = 8,560.23 : x
  2. Step 2: Convert to fraction form
    15,633.75/21,575.12 = 8,560.23/x
  3. Step 3: Cross multiply
    15,633.75x = 21,575.12 × 8,560.23
  4. Step 4: Simplify right side
    15,633.75x = 184,687,989.48
  5. Step 5: Solve for x
    x = 184,687,989.48/15,633.75
  6. Step 6: Final answer
    x = 11,813.42

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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.