Home / 9,825.39-13,560.80-6,288.48

Finding the Fourth Proportional to 9,825.39, 13,560.80 and 6,288.48

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Solution

The fourth proportional to 9,825.39, 13,560.80 and 6,288.48 is: 8,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.39 : 13,560.80 = 6,288.48 : x
  2. Step 2: Convert to fraction form
    9,825.39/13,560.80 = 6,288.48/x
  3. Step 3: Cross multiply
    9,825.39x = 13,560.80 × 6,288.48
  4. Step 4: Simplify right side
    9,825.39x = 85,276,788.14
  5. Step 5: Solve for x
    x = 85,276,788.14/9,825.39
  6. Step 6: Final answer
    x = 8,679.23

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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.