Home / 8,911.50-13,362.34-6,103.57

Finding the Fourth Proportional to 8,911.50, 13,362.34 and 6,103.57

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Solution

The fourth proportional to 8,911.50, 13,362.34 and 6,103.57 is: 9,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.50 : 13,362.34 = 6,103.57 : x
  2. Step 2: Convert to fraction form
    8,911.50/13,362.34 = 6,103.57/x
  3. Step 3: Cross multiply
    8,911.50x = 13,362.34 × 6,103.57
  4. Step 4: Simplify right side
    8,911.50x = 81,557,977.55
  5. Step 5: Solve for x
    x = 81,557,977.55/8,911.50
  6. Step 6: Final answer
    x = 9,151.99

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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.