Home / 21,530.10-32,295.78-5,947.74

Finding the Fourth Proportional to 21,530.10, 32,295.78 and 5,947.74

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Solution

The fourth proportional to 21,530.10, 32,295.78 and 5,947.74 is: 8,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530.10 : 32,295.78 = 5,947.74 : x
  2. Step 2: Convert to fraction form
    21,530.10/32,295.78 = 5,947.74/x
  3. Step 3: Cross multiply
    21,530.10x = 32,295.78 × 5,947.74
  4. Step 4: Simplify right side
    21,530.10x = 192,086,902.54
  5. Step 5: Solve for x
    x = 192,086,902.54/21,530.10
  6. Step 6: Final answer
    x = 8,921.78

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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.