Home / 9,508.84-13,121.64-5,259.64

Finding the Fourth Proportional to 9,508.84, 13,121.64 and 5,259.64

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Solution

The fourth proportional to 9,508.84, 13,121.64 and 5,259.64 is: 7,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.84 : 13,121.64 = 5,259.64 : x
  2. Step 2: Convert to fraction form
    9,508.84/13,121.64 = 5,259.64/x
  3. Step 3: Cross multiply
    9,508.84x = 13,121.64 × 5,259.64
  4. Step 4: Simplify right side
    9,508.84x = 69,015,102.61
  5. Step 5: Solve for x
    x = 69,015,102.61/9,508.84
  6. Step 6: Final answer
    x = 7,257.99

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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.