Home / 9,419.60-14,112.19-4,412.79

Finding the Fourth Proportional to 9,419.60, 14,112.19 and 4,412.79

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Solution

The fourth proportional to 9,419.60, 14,112.19 and 4,412.79 is: 6,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.60 : 14,112.19 = 4,412.79 : x
  2. Step 2: Convert to fraction form
    9,419.60/14,112.19 = 4,412.79/x
  3. Step 3: Cross multiply
    9,419.60x = 14,112.19 × 4,412.79
  4. Step 4: Simplify right side
    9,419.60x = 62,274,130.91
  5. Step 5: Solve for x
    x = 62,274,130.91/9,419.60
  6. Step 6: Final answer
    x = 6,611.12

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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.