Home / 20,717.76-31,063.68-9,617.52

Finding the Fourth Proportional to 20,717.76, 31,063.68 and 9,617.52

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Solution

The fourth proportional to 20,717.76, 31,063.68 and 9,617.52 is: 14,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.76 : 31,063.68 = 9,617.52 : x
  2. Step 2: Convert to fraction form
    20,717.76/31,063.68 = 9,617.52/x
  3. Step 3: Cross multiply
    20,717.76x = 31,063.68 × 9,617.52
  4. Step 4: Simplify right side
    20,717.76x = 298,755,563.67
  5. Step 5: Solve for x
    x = 298,755,563.67/20,717.76
  6. Step 6: Final answer
    x = 14,420.26

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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.