Home / 12,746.52-17,591.57-7,713.51

Finding the Fourth Proportional to 12,746.52, 17,591.57 and 7,713.51

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Solution

The fourth proportional to 12,746.52, 17,591.57 and 7,713.51 is: 10,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.52 : 17,591.57 = 7,713.51 : x
  2. Step 2: Convert to fraction form
    12,746.52/17,591.57 = 7,713.51/x
  3. Step 3: Cross multiply
    12,746.52x = 17,591.57 × 7,713.51
  4. Step 4: Simplify right side
    12,746.52x = 135,692,712.54
  5. Step 5: Solve for x
    x = 135,692,712.54/12,746.52
  6. Step 6: Final answer
    x = 10,645.47

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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.