Home / 9,869.40-14,793.30-5,187.60

Finding the Fourth Proportional to 9,869.40, 14,793.30 and 5,187.60

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Solution

The fourth proportional to 9,869.40, 14,793.30 and 5,187.60 is: 7,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.40 : 14,793.30 = 5,187.60 : x
  2. Step 2: Convert to fraction form
    9,869.40/14,793.30 = 5,187.60/x
  3. Step 3: Cross multiply
    9,869.40x = 14,793.30 × 5,187.60
  4. Step 4: Simplify right side
    9,869.40x = 76,741,723.08
  5. Step 5: Solve for x
    x = 76,741,723.08/9,869.40
  6. Step 6: Final answer
    x = 7,775.72

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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.