Home / 9,921.60-14,880.78-3,347.10

Finding the Fourth Proportional to 9,921.60, 14,880.78 and 3,347.10

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Solution

The fourth proportional to 9,921.60, 14,880.78 and 3,347.10 is: 5,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.60 : 14,880.78 = 3,347.10 : x
  2. Step 2: Convert to fraction form
    9,921.60/14,880.78 = 3,347.10/x
  3. Step 3: Cross multiply
    9,921.60x = 14,880.78 × 3,347.10
  4. Step 4: Simplify right side
    9,921.60x = 49,807,458.74
  5. Step 5: Solve for x
    x = 49,807,458.74/9,921.60
  6. Step 6: Final answer
    x = 5,020.10

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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.