Home / 13,314.36-19,974.70-6,654.72

Finding the Fourth Proportional to 13,314.36, 19,974.70 and 6,654.72

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Solution

The fourth proportional to 13,314.36, 19,974.70 and 6,654.72 is: 9,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.36 : 19,974.70 = 6,654.72 : x
  2. Step 2: Convert to fraction form
    13,314.36/19,974.70 = 6,654.72/x
  3. Step 3: Cross multiply
    13,314.36x = 19,974.70 × 6,654.72
  4. Step 4: Simplify right side
    13,314.36x = 132,926,035.58
  5. Step 5: Solve for x
    x = 132,926,035.58/13,314.36
  6. Step 6: Final answer
    x = 9,983.66

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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.