Home / 12,512.06-17,272.88-7,205.84

Finding the Fourth Proportional to 12,512.06, 17,272.88 and 7,205.84

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Solution

The fourth proportional to 12,512.06, 17,272.88 and 7,205.84 is: 9,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.06 : 17,272.88 = 7,205.84 : x
  2. Step 2: Convert to fraction form
    12,512.06/17,272.88 = 7,205.84/x
  3. Step 3: Cross multiply
    12,512.06x = 17,272.88 × 7,205.84
  4. Step 4: Simplify right side
    12,512.06x = 124,465,616.77
  5. Step 5: Solve for x
    x = 124,465,616.77/12,512.06
  6. Step 6: Final answer
    x = 9,947.66

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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.