Home / 9,913.80-14,867.10-3,340.20

Finding the Fourth Proportional to 9,913.80, 14,867.10 and 3,340.20

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Solution

The fourth proportional to 9,913.80, 14,867.10 and 3,340.20 is: 5,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.80 : 14,867.10 = 3,340.20 : x
  2. Step 2: Convert to fraction form
    9,913.80/14,867.10 = 3,340.20/x
  3. Step 3: Cross multiply
    9,913.80x = 14,867.10 × 3,340.20
  4. Step 4: Simplify right side
    9,913.80x = 49,659,087.42
  5. Step 5: Solve for x
    x = 49,659,087.42/9,913.80
  6. Step 6: Final answer
    x = 5,009.09

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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.