Home / 10,198.29-15,272.53-7,069.67

Finding the Fourth Proportional to 10,198.29, 15,272.53 and 7,069.67

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Solution

The fourth proportional to 10,198.29, 15,272.53 and 7,069.67 is: 10,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.29 : 15,272.53 = 7,069.67 : x
  2. Step 2: Convert to fraction form
    10,198.29/15,272.53 = 7,069.67/x
  3. Step 3: Cross multiply
    10,198.29x = 15,272.53 × 7,069.67
  4. Step 4: Simplify right side
    10,198.29x = 107,971,747.17
  5. Step 5: Solve for x
    x = 107,971,747.17/10,198.29
  6. Step 6: Final answer
    x = 10,587.24

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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.