Home / 9,829.80-13,564.50-5,581.08

Finding the Fourth Proportional to 9,829.80, 13,564.50 and 5,581.08

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Solution

The fourth proportional to 9,829.80, 13,564.50 and 5,581.08 is: 7,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.80 : 13,564.50 = 5,581.08 : x
  2. Step 2: Convert to fraction form
    9,829.80/13,564.50 = 5,581.08/x
  3. Step 3: Cross multiply
    9,829.80x = 13,564.50 × 5,581.08
  4. Step 4: Simplify right side
    9,829.80x = 75,704,559.66
  5. Step 5: Solve for x
    x = 75,704,559.66/9,829.80
  6. Step 6: Final answer
    x = 7,701.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.