Home / 13,306.53-19,961.34-4,422.66

Finding the Fourth Proportional to 13,306.53, 19,961.34 and 4,422.66

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Solution

The fourth proportional to 13,306.53, 19,961.34 and 4,422.66 is: 6,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.53 : 19,961.34 = 4,422.66 : x
  2. Step 2: Convert to fraction form
    13,306.53/19,961.34 = 4,422.66/x
  3. Step 3: Cross multiply
    13,306.53x = 19,961.34 × 4,422.66
  4. Step 4: Simplify right side
    13,306.53x = 88,282,219.96
  5. Step 5: Solve for x
    x = 88,282,219.96/13,306.53
  6. Step 6: Final answer
    x = 6,634.50

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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.