Home / 21,405.52-32,108.46-6,614.38

Finding the Fourth Proportional to 21,405.52, 32,108.46 and 6,614.38

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Solution

The fourth proportional to 21,405.52, 32,108.46 and 6,614.38 is: 9,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405.52 : 32,108.46 = 6,614.38 : x
  2. Step 2: Convert to fraction form
    21,405.52/32,108.46 = 6,614.38/x
  3. Step 3: Cross multiply
    21,405.52x = 32,108.46 × 6,614.38
  4. Step 4: Simplify right side
    21,405.52x = 212,377,555.65
  5. Step 5: Solve for x
    x = 212,377,555.65/21,405.52
  6. Step 6: Final answer
    x = 9,921.63

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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.