Home / 21,008.69-31,508.54-6,217.73

Finding the Fourth Proportional to 21,008.69, 31,508.54 and 6,217.73

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Solution

The fourth proportional to 21,008.69, 31,508.54 and 6,217.73 is: 9,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008.69 : 31,508.54 = 6,217.73 : x
  2. Step 2: Convert to fraction form
    21,008.69/31,508.54 = 6,217.73/x
  3. Step 3: Cross multiply
    21,008.69x = 31,508.54 × 6,217.73
  4. Step 4: Simplify right side
    21,008.69x = 195,911,563.33
  5. Step 5: Solve for x
    x = 195,911,563.33/21,008.69
  6. Step 6: Final answer
    x = 9,325.26

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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.