Home / 21,572.25-32,314.63-11,162.13

Finding the Fourth Proportional to 21,572.25, 32,314.63 and 11,162.13

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Solution

The fourth proportional to 21,572.25, 32,314.63 and 11,162.13 is: 16,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.25 : 32,314.63 = 11,162.13 : x
  2. Step 2: Convert to fraction form
    21,572.25/32,314.63 = 11,162.13/x
  3. Step 3: Cross multiply
    21,572.25x = 32,314.63 × 11,162.13
  4. Step 4: Simplify right side
    21,572.25x = 360,700,100.96
  5. Step 5: Solve for x
    x = 360,700,100.96/21,572.25
  6. Step 6: Final answer
    x = 16,720.56

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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.