Home / 9,939.60-14,909.40-2,544.30

Finding the Fourth Proportional to 9,939.60, 14,909.40 and 2,544.30

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Solution

The fourth proportional to 9,939.60, 14,909.40 and 2,544.30 is: 3,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.60 : 14,909.40 = 2,544.30 : x
  2. Step 2: Convert to fraction form
    9,939.60/14,909.40 = 2,544.30/x
  3. Step 3: Cross multiply
    9,939.60x = 14,909.40 × 2,544.30
  4. Step 4: Simplify right side
    9,939.60x = 37,933,986.42
  5. Step 5: Solve for x
    x = 37,933,986.42/9,939.60
  6. Step 6: Final answer
    x = 3,816.45

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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.