Home / 21,596.05-32,398.62-12,240.55

Finding the Fourth Proportional to 21,596.05, 32,398.62 and 12,240.55

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Solution

The fourth proportional to 21,596.05, 32,398.62 and 12,240.55 is: 18,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.05 : 32,398.62 = 12,240.55 : x
  2. Step 2: Convert to fraction form
    21,596.05/32,398.62 = 12,240.55/x
  3. Step 3: Cross multiply
    21,596.05x = 32,398.62 × 12,240.55
  4. Step 4: Simplify right side
    21,596.05x = 396,576,928.04
  5. Step 5: Solve for x
    x = 396,576,928.04/21,596.05
  6. Step 6: Final answer
    x = 18,363.40

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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.