Home / 12,440.03-17,175.51-9,563.66

Finding the Fourth Proportional to 12,440.03, 17,175.51 and 9,563.66

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Solution

The fourth proportional to 12,440.03, 17,175.51 and 9,563.66 is: 13,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.03 : 17,175.51 = 9,563.66 : x
  2. Step 2: Convert to fraction form
    12,440.03/17,175.51 = 9,563.66/x
  3. Step 3: Cross multiply
    12,440.03x = 17,175.51 × 9,563.66
  4. Step 4: Simplify right side
    12,440.03x = 164,260,737.97
  5. Step 5: Solve for x
    x = 164,260,737.97/12,440.03
  6. Step 6: Final answer
    x = 13,204.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.