Home / 13,771.04-19,006.80-8,180.96

Finding the Fourth Proportional to 13,771.04, 19,006.80 and 8,180.96

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Solution

The fourth proportional to 13,771.04, 19,006.80 and 8,180.96 is: 11,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.04 : 19,006.80 = 8,180.96 : x
  2. Step 2: Convert to fraction form
    13,771.04/19,006.80 = 8,180.96/x
  3. Step 3: Cross multiply
    13,771.04x = 19,006.80 × 8,180.96
  4. Step 4: Simplify right side
    13,771.04x = 155,493,870.53
  5. Step 5: Solve for x
    x = 155,493,870.53/13,771.04
  6. Step 6: Final answer
    x = 11,291.37

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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.