Home / 13,131.08-19,703.98-6,974.92

Finding the Fourth Proportional to 13,131.08, 19,703.98 and 6,974.92

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Solution

The fourth proportional to 13,131.08, 19,703.98 and 6,974.92 is: 10,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.08 : 19,703.98 = 6,974.92 : x
  2. Step 2: Convert to fraction form
    13,131.08/19,703.98 = 6,974.92/x
  3. Step 3: Cross multiply
    13,131.08x = 19,703.98 × 6,974.92
  4. Step 4: Simplify right side
    13,131.08x = 137,433,684.18
  5. Step 5: Solve for x
    x = 137,433,684.18/13,131.08
  6. Step 6: Final answer
    x = 10,466.29

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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.