Home / 21,507.47-32,260.33-7,470.68

Finding the Fourth Proportional to 21,507.47, 32,260.33 and 7,470.68

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Solution

The fourth proportional to 21,507.47, 32,260.33 and 7,470.68 is: 11,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507.47 : 32,260.33 = 7,470.68 : x
  2. Step 2: Convert to fraction form
    21,507.47/32,260.33 = 7,470.68/x
  3. Step 3: Cross multiply
    21,507.47x = 32,260.33 × 7,470.68
  4. Step 4: Simplify right side
    21,507.47x = 241,006,589.60
  5. Step 5: Solve for x
    x = 241,006,589.60/21,507.47
  6. Step 6: Final answer
    x = 11,205.71

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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.