Home / 12,634.95-17,436.33-6,969.90

Finding the Fourth Proportional to 12,634.95, 17,436.33 and 6,969.90

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Solution

The fourth proportional to 12,634.95, 17,436.33 and 6,969.90 is: 9,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.95 : 17,436.33 = 6,969.90 : x
  2. Step 2: Convert to fraction form
    12,634.95/17,436.33 = 6,969.90/x
  3. Step 3: Cross multiply
    12,634.95x = 17,436.33 × 6,969.90
  4. Step 4: Simplify right side
    12,634.95x = 121,529,476.47
  5. Step 5: Solve for x
    x = 121,529,476.47/12,634.95
  6. Step 6: Final answer
    x = 9,618.52

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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.