Home / 13,770.54-19,006.11-8,180.46

Finding the Fourth Proportional to 13,770.54, 19,006.11 and 8,180.46

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Solution

The fourth proportional to 13,770.54, 19,006.11 and 8,180.46 is: 11,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.54 : 19,006.11 = 8,180.46 : x
  2. Step 2: Convert to fraction form
    13,770.54/19,006.11 = 8,180.46/x
  3. Step 3: Cross multiply
    13,770.54x = 19,006.11 × 8,180.46
  4. Step 4: Simplify right side
    13,770.54x = 155,478,722.61
  5. Step 5: Solve for x
    x = 155,478,722.61/13,770.54
  6. Step 6: Final answer
    x = 11,290.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.