Home / 15,609.54-21,538.37-9,232.96

Finding the Fourth Proportional to 15,609.54, 21,538.37 and 9,232.96

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Solution

The fourth proportional to 15,609.54, 21,538.37 and 9,232.96 is: 12,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.54 : 21,538.37 = 9,232.96 : x
  2. Step 2: Convert to fraction form
    15,609.54/21,538.37 = 9,232.96/x
  3. Step 3: Cross multiply
    15,609.54x = 21,538.37 × 9,232.96
  4. Step 4: Simplify right side
    15,609.54x = 198,862,808.66
  5. Step 5: Solve for x
    x = 198,862,808.66/15,609.54
  6. Step 6: Final answer
    x = 12,739.83

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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.