Home / 10,108.18-15,153.03-8,558.17

Finding the Fourth Proportional to 10,108.18, 15,153.03 and 8,558.17

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Solution

The fourth proportional to 10,108.18, 15,153.03 and 8,558.17 is: 12,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.18 : 15,153.03 = 8,558.17 : x
  2. Step 2: Convert to fraction form
    10,108.18/15,153.03 = 8,558.17/x
  3. Step 3: Cross multiply
    10,108.18x = 15,153.03 × 8,558.17
  4. Step 4: Simplify right side
    10,108.18x = 129,682,206.76
  5. Step 5: Solve for x
    x = 129,682,206.76/10,108.18
  6. Step 6: Final answer
    x = 12,829.43

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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.