Home / 12,935.95-19,408.61-6,366.75

Finding the Fourth Proportional to 12,935.95, 19,408.61 and 6,366.75

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Solution

The fourth proportional to 12,935.95, 19,408.61 and 6,366.75 is: 9,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.95 : 19,408.61 = 6,366.75 : x
  2. Step 2: Convert to fraction form
    12,935.95/19,408.61 = 6,366.75/x
  3. Step 3: Cross multiply
    12,935.95x = 19,408.61 × 6,366.75
  4. Step 4: Simplify right side
    12,935.95x = 123,569,820.03
  5. Step 5: Solve for x
    x = 123,569,820.03/12,935.95
  6. Step 6: Final answer
    x = 9,552.43

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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.