Home / 9,959.18-14,938.80-3,719.12

Finding the Fourth Proportional to 9,959.18, 14,938.80 and 3,719.12

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Solution

The fourth proportional to 9,959.18, 14,938.80 and 3,719.12 is: 5,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.18 : 14,938.80 = 3,719.12 : x
  2. Step 2: Convert to fraction form
    9,959.18/14,938.80 = 3,719.12/x
  3. Step 3: Cross multiply
    9,959.18x = 14,938.80 × 3,719.12
  4. Step 4: Simplify right side
    9,959.18x = 55,559,132.60
  5. Step 5: Solve for x
    x = 55,559,132.60/9,959.18
  6. Step 6: Final answer
    x = 5,578.69

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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.