Home / 10,089.26-15,136.30-3,163.76

Finding the Fourth Proportional to 10,089.26, 15,136.30 and 3,163.76

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Solution

The fourth proportional to 10,089.26, 15,136.30 and 3,163.76 is: 4,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.26 : 15,136.30 = 3,163.76 : x
  2. Step 2: Convert to fraction form
    10,089.26/15,136.30 = 3,163.76/x
  3. Step 3: Cross multiply
    10,089.26x = 15,136.30 × 3,163.76
  4. Step 4: Simplify right side
    10,089.26x = 47,887,620.49
  5. Step 5: Solve for x
    x = 47,887,620.49/10,089.26
  6. Step 6: Final answer
    x = 4,746.40

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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.