Home / 21,540.47-32,293.27-9,685.56

Finding the Fourth Proportional to 21,540.47, 32,293.27 and 9,685.56

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Solution

The fourth proportional to 21,540.47, 32,293.27 and 9,685.56 is: 14,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.47 : 32,293.27 = 9,685.56 : x
  2. Step 2: Convert to fraction form
    21,540.47/32,293.27 = 9,685.56/x
  3. Step 3: Cross multiply
    21,540.47x = 32,293.27 × 9,685.56
  4. Step 4: Simplify right side
    21,540.47x = 312,778,404.18
  5. Step 5: Solve for x
    x = 312,778,404.18/21,540.47
  6. Step 6: Final answer
    x = 14,520.50

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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.