Home / 9,701.28-13,387.68-5,509.44

Finding the Fourth Proportional to 9,701.28, 13,387.68 and 5,509.44

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Solution

The fourth proportional to 9,701.28, 13,387.68 and 5,509.44 is: 7,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.28 : 13,387.68 = 5,509.44 : x
  2. Step 2: Convert to fraction form
    9,701.28/13,387.68 = 5,509.44/x
  3. Step 3: Cross multiply
    9,701.28x = 13,387.68 × 5,509.44
  4. Step 4: Simplify right side
    9,701.28x = 73,758,619.70
  5. Step 5: Solve for x
    x = 73,758,619.70/9,701.28
  6. Step 6: Final answer
    x = 7,602.98

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