Home / 13,711.05-20,566.58-12,069.45

Finding the Fourth Proportional to 13,711.05, 20,566.58 and 12,069.45

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Solution

The fourth proportional to 13,711.05, 20,566.58 and 12,069.45 is: 18,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.05 : 20,566.58 = 12,069.45 : x
  2. Step 2: Convert to fraction form
    13,711.05/20,566.58 = 12,069.45/x
  3. Step 3: Cross multiply
    13,711.05x = 20,566.58 × 12,069.45
  4. Step 4: Simplify right side
    13,711.05x = 248,227,248.63
  5. Step 5: Solve for x
    x = 248,227,248.63/13,711.05
  6. Step 6: Final answer
    x = 18,104.18

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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.