Home / 13,120.14-19,672.99-8,964.84

Finding the Fourth Proportional to 13,120.14, 19,672.99 and 8,964.84

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Solution

The fourth proportional to 13,120.14, 19,672.99 and 8,964.84 is: 13,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.14 : 19,672.99 = 8,964.84 : x
  2. Step 2: Convert to fraction form
    13,120.14/19,672.99 = 8,964.84/x
  3. Step 3: Cross multiply
    13,120.14x = 19,672.99 × 8,964.84
  4. Step 4: Simplify right side
    13,120.14x = 176,365,309.46
  5. Step 5: Solve for x
    x = 176,365,309.46/13,120.14
  6. Step 6: Final answer
    x = 13,442.33

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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.