Home / 12,557.82-17,331.27-6,969.18

Finding the Fourth Proportional to 12,557.82, 17,331.27 and 6,969.18

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Solution

The fourth proportional to 12,557.82, 17,331.27 and 6,969.18 is: 9,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.82 : 17,331.27 = 6,969.18 : x
  2. Step 2: Convert to fraction form
    12,557.82/17,331.27 = 6,969.18/x
  3. Step 3: Cross multiply
    12,557.82x = 17,331.27 × 6,969.18
  4. Step 4: Simplify right side
    12,557.82x = 120,784,740.26
  5. Step 5: Solve for x
    x = 120,784,740.26/12,557.82
  6. Step 6: Final answer
    x = 9,618.29

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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.