Home / 15,548.68-21,456.42-8,833.44

Finding the Fourth Proportional to 15,548.68, 21,456.42 and 8,833.44

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Solution

The fourth proportional to 15,548.68, 21,456.42 and 8,833.44 is: 12,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.68 : 21,456.42 = 8,833.44 : x
  2. Step 2: Convert to fraction form
    15,548.68/21,456.42 = 8,833.44/x
  3. Step 3: Cross multiply
    15,548.68x = 21,456.42 × 8,833.44
  4. Step 4: Simplify right side
    15,548.68x = 189,533,998.68
  5. Step 5: Solve for x
    x = 189,533,998.68/15,548.68
  6. Step 6: Final answer
    x = 12,189.72

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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.