Home / 13,001.20-19,489.83-7,069.42

Finding the Fourth Proportional to 13,001.20, 19,489.83 and 7,069.42

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Solution

The fourth proportional to 13,001.20, 19,489.83 and 7,069.42 is: 10,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.20 : 19,489.83 = 7,069.42 : x
  2. Step 2: Convert to fraction form
    13,001.20/19,489.83 = 7,069.42/x
  3. Step 3: Cross multiply
    13,001.20x = 19,489.83 × 7,069.42
  4. Step 4: Simplify right side
    13,001.20x = 137,781,696.55
  5. Step 5: Solve for x
    x = 137,781,696.55/13,001.20
  6. Step 6: Final answer
    x = 10,597.62

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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.