Home / 9,825.82-13,559.68-5,349.66

Finding the Fourth Proportional to 9,825.82, 13,559.68 and 5,349.66

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Solution

The fourth proportional to 9,825.82, 13,559.68 and 5,349.66 is: 7,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.82 : 13,559.68 = 5,349.66 : x
  2. Step 2: Convert to fraction form
    9,825.82/13,559.68 = 5,349.66/x
  3. Step 3: Cross multiply
    9,825.82x = 13,559.68 × 5,349.66
  4. Step 4: Simplify right side
    9,825.82x = 72,539,677.71
  5. Step 5: Solve for x
    x = 72,539,677.71/9,825.82
  6. Step 6: Final answer
    x = 7,382.56

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1.5x scale

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.