Home / 13,352.22-20,030.03-4,919.28

Finding the Fourth Proportional to 13,352.22, 20,030.03 and 4,919.28

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Solution

The fourth proportional to 13,352.22, 20,030.03 and 4,919.28 is: 7,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.22 : 20,030.03 = 4,919.28 : x
  2. Step 2: Convert to fraction form
    13,352.22/20,030.03 = 4,919.28/x
  3. Step 3: Cross multiply
    13,352.22x = 20,030.03 × 4,919.28
  4. Step 4: Simplify right side
    13,352.22x = 98,533,385.06
  5. Step 5: Solve for x
    x = 98,533,385.06/13,352.22
  6. Step 6: Final answer
    x = 7,379.55

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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.