Home / 21,335.54-32,002.41-6,543.68

Finding the Fourth Proportional to 21,335.54, 32,002.41 and 6,543.68

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Solution

The fourth proportional to 21,335.54, 32,002.41 and 6,543.68 is: 9,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.54 : 32,002.41 = 6,543.68 : x
  2. Step 2: Convert to fraction form
    21,335.54/32,002.41 = 6,543.68/x
  3. Step 3: Cross multiply
    21,335.54x = 32,002.41 × 6,543.68
  4. Step 4: Simplify right side
    21,335.54x = 209,413,530.27
  5. Step 5: Solve for x
    x = 209,413,530.27/21,335.54
  6. Step 6: Final answer
    x = 9,815.24

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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.