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Finding the Fourth Proportional to 8,834.50, 12,103.43 and 8,502.40

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Solution

The fourth proportional to 8,834.50, 12,103.43 and 8,502.40 is: 11,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.50 : 12,103.43 = 8,502.40 : x
  2. Step 2: Convert to fraction form
    8,834.50/12,103.43 = 8,502.40/x
  3. Step 3: Cross multiply
    8,834.50x = 12,103.43 × 8,502.40
  4. Step 4: Simplify right side
    8,834.50x = 102,908,203.23
  5. Step 5: Solve for x
    x = 102,908,203.23/8,834.50
  6. Step 6: Final answer
    x = 11,648.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.