Home / 11,352.84-17,019.68-5,426.48

Finding the Fourth Proportional to 11,352.84, 17,019.68 and 5,426.48

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Solution

The fourth proportional to 11,352.84, 17,019.68 and 5,426.48 is: 8,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.84 : 17,019.68 = 5,426.48 : x
  2. Step 2: Convert to fraction form
    11,352.84/17,019.68 = 5,426.48/x
  3. Step 3: Cross multiply
    11,352.84x = 17,019.68 × 5,426.48
  4. Step 4: Simplify right side
    11,352.84x = 92,356,840.90
  5. Step 5: Solve for x
    x = 92,356,840.90/11,352.84
  6. Step 6: Final answer
    x = 8,135.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.