Home / 13,153.17-19,734.39-8,217.03

Finding the Fourth Proportional to 13,153.17, 19,734.39 and 8,217.03

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Solution

The fourth proportional to 13,153.17, 19,734.39 and 8,217.03 is: 12,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.17 : 19,734.39 = 8,217.03 : x
  2. Step 2: Convert to fraction form
    13,153.17/19,734.39 = 8,217.03/x
  3. Step 3: Cross multiply
    13,153.17x = 19,734.39 × 8,217.03
  4. Step 4: Simplify right side
    13,153.17x = 162,158,074.66
  5. Step 5: Solve for x
    x = 162,158,074.66/13,153.17
  6. Step 6: Final answer
    x = 12,328.44

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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.