Home / 9,981.20-14,971.74-3,055.70

Finding the Fourth Proportional to 9,981.20, 14,971.74 and 3,055.70

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Solution

The fourth proportional to 9,981.20, 14,971.74 and 3,055.70 is: 4,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.20 : 14,971.74 = 3,055.70 : x
  2. Step 2: Convert to fraction form
    9,981.20/14,971.74 = 3,055.70/x
  3. Step 3: Cross multiply
    9,981.20x = 14,971.74 × 3,055.70
  4. Step 4: Simplify right side
    9,981.20x = 45,749,145.92
  5. Step 5: Solve for x
    x = 45,749,145.92/9,981.20
  6. Step 6: Final answer
    x = 4,583.53

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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.