Home / 21,344.16-32,012.61-7,832.55

Finding the Fourth Proportional to 21,344.16, 32,012.61 and 7,832.55

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Solution

The fourth proportional to 21,344.16, 32,012.61 and 7,832.55 is: 11,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.16 : 32,012.61 = 7,832.55 : x
  2. Step 2: Convert to fraction form
    21,344.16/32,012.61 = 7,832.55/x
  3. Step 3: Cross multiply
    21,344.16x = 32,012.61 × 7,832.55
  4. Step 4: Simplify right side
    21,344.16x = 250,740,368.46
  5. Step 5: Solve for x
    x = 250,740,368.46/21,344.16
  6. Step 6: Final answer
    x = 11,747.49

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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.