Home / 13,069.29-19,603.94-4,747.76

Finding the Fourth Proportional to 13,069.29, 19,603.94 and 4,747.76

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Solution

The fourth proportional to 13,069.29, 19,603.94 and 4,747.76 is: 7,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.29 : 19,603.94 = 4,747.76 : x
  2. Step 2: Convert to fraction form
    13,069.29/19,603.94 = 4,747.76/x
  3. Step 3: Cross multiply
    13,069.29x = 19,603.94 × 4,747.76
  4. Step 4: Simplify right side
    13,069.29x = 93,074,680.42
  5. Step 5: Solve for x
    x = 93,074,680.42/13,069.29
  6. Step 6: Final answer
    x = 7,121.63

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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.