Home / 12,607.44-17,399.12-8,351.16

Finding the Fourth Proportional to 12,607.44, 17,399.12 and 8,351.16

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Solution

The fourth proportional to 12,607.44, 17,399.12 and 8,351.16 is: 11,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.44 : 17,399.12 = 8,351.16 : x
  2. Step 2: Convert to fraction form
    12,607.44/17,399.12 = 8,351.16/x
  3. Step 3: Cross multiply
    12,607.44x = 17,399.12 × 8,351.16
  4. Step 4: Simplify right side
    12,607.44x = 145,302,834.98
  5. Step 5: Solve for x
    x = 145,302,834.98/12,607.44
  6. Step 6: Final answer
    x = 11,525.17

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Double scale
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Similar ratio
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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.