Home / 9,981.76-14,970.92-2,961.60

Finding the Fourth Proportional to 9,981.76, 14,970.92 and 2,961.60

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Solution

The fourth proportional to 9,981.76, 14,970.92 and 2,961.60 is: 4,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.76 : 14,970.92 = 2,961.60 : x
  2. Step 2: Convert to fraction form
    9,981.76/14,970.92 = 2,961.60/x
  3. Step 3: Cross multiply
    9,981.76x = 14,970.92 × 2,961.60
  4. Step 4: Simplify right side
    9,981.76x = 44,337,876.67
  5. Step 5: Solve for x
    x = 44,337,876.67/9,981.76
  6. Step 6: Final answer
    x = 4,441.89

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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.