Home / 13,252.31-19,868.90-6,683.12

Finding the Fourth Proportional to 13,252.31, 19,868.90 and 6,683.12

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Solution

The fourth proportional to 13,252.31, 19,868.90 and 6,683.12 is: 10,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.31 : 19,868.90 = 6,683.12 : x
  2. Step 2: Convert to fraction form
    13,252.31/19,868.90 = 6,683.12/x
  3. Step 3: Cross multiply
    13,252.31x = 19,868.90 × 6,683.12
  4. Step 4: Simplify right side
    13,252.31x = 132,786,110.21
  5. Step 5: Solve for x
    x = 132,786,110.21/13,252.31
  6. Step 6: Final answer
    x = 10,019.85

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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.