Home / 21,645.33-32,483.40-8,497.71

Finding the Fourth Proportional to 21,645.33, 32,483.40 and 8,497.71

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Solution

The fourth proportional to 21,645.33, 32,483.40 and 8,497.71 is: 12,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.33 : 32,483.40 = 8,497.71 : x
  2. Step 2: Convert to fraction form
    21,645.33/32,483.40 = 8,497.71/x
  3. Step 3: Cross multiply
    21,645.33x = 32,483.40 × 8,497.71
  4. Step 4: Simplify right side
    21,645.33x = 276,034,513.01
  5. Step 5: Solve for x
    x = 276,034,513.01/21,645.33
  6. Step 6: Final answer
    x = 12,752.61

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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.