Home / 12,717.64-17,551.39-7,054.17

Finding the Fourth Proportional to 12,717.64, 17,551.39 and 7,054.17

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Solution

The fourth proportional to 12,717.64, 17,551.39 and 7,054.17 is: 9,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.64 : 17,551.39 = 7,054.17 : x
  2. Step 2: Convert to fraction form
    12,717.64/17,551.39 = 7,054.17/x
  3. Step 3: Cross multiply
    12,717.64x = 17,551.39 × 7,054.17
  4. Step 4: Simplify right side
    12,717.64x = 123,810,488.80
  5. Step 5: Solve for x
    x = 123,810,488.80/12,717.64
  6. Step 6: Final answer
    x = 9,735.34

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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.