Home / 13,193.70-19,752.12-6,938.88

Finding the Fourth Proportional to 13,193.70, 19,752.12 and 6,938.88

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Solution

The fourth proportional to 13,193.70, 19,752.12 and 6,938.88 is: 10,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.70 : 19,752.12 = 6,938.88 : x
  2. Step 2: Convert to fraction form
    13,193.70/19,752.12 = 6,938.88/x
  3. Step 3: Cross multiply
    13,193.70x = 19,752.12 × 6,938.88
  4. Step 4: Simplify right side
    13,193.70x = 137,057,590.43
  5. Step 5: Solve for x
    x = 137,057,590.43/13,193.70
  6. Step 6: Final answer
    x = 10,388.11

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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.