Home / 11,948.19-17,913.74-5,619.52

Finding the Fourth Proportional to 11,948.19, 17,913.74 and 5,619.52

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Solution

The fourth proportional to 11,948.19, 17,913.74 and 5,619.52 is: 8,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.19 : 17,913.74 = 5,619.52 : x
  2. Step 2: Convert to fraction form
    11,948.19/17,913.74 = 5,619.52/x
  3. Step 3: Cross multiply
    11,948.19x = 17,913.74 × 5,619.52
  4. Step 4: Simplify right side
    11,948.19x = 100,666,620.20
  5. Step 5: Solve for x
    x = 100,666,620.20/11,948.19
  6. Step 6: Final answer
    x = 8,425.26

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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.