Home / 21,471.12-32,162.58-10,344.96

Finding the Fourth Proportional to 21,471.12, 32,162.58 and 10,344.96

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Solution

The fourth proportional to 21,471.12, 32,162.58 and 10,344.96 is: 15,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.12 : 32,162.58 = 10,344.96 : x
  2. Step 2: Convert to fraction form
    21,471.12/32,162.58 = 10,344.96/x
  3. Step 3: Cross multiply
    21,471.12x = 32,162.58 × 10,344.96
  4. Step 4: Simplify right side
    21,471.12x = 332,720,603.60
  5. Step 5: Solve for x
    x = 332,720,603.60/21,471.12
  6. Step 6: Final answer
    x = 15,496.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.