Home / 12,512.07-17,265.15-7,206.57

Finding the Fourth Proportional to 12,512.07, 17,265.15 and 7,206.57

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Solution

The fourth proportional to 12,512.07, 17,265.15 and 7,206.57 is: 9,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.07 : 17,265.15 = 7,206.57 : x
  2. Step 2: Convert to fraction form
    12,512.07/17,265.15 = 7,206.57/x
  3. Step 3: Cross multiply
    12,512.07x = 17,265.15 × 7,206.57
  4. Step 4: Simplify right side
    12,512.07x = 124,422,512.04
  5. Step 5: Solve for x
    x = 124,422,512.04/12,512.07
  6. Step 6: Final answer
    x = 9,944.20

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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.