Home / 12,515.07-17,277.03-7,208.85

Finding the Fourth Proportional to 12,515.07, 17,277.03 and 7,208.85

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Solution

The fourth proportional to 12,515.07, 17,277.03 and 7,208.85 is: 9,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.07 : 17,277.03 = 7,208.85 : x
  2. Step 2: Convert to fraction form
    12,515.07/17,277.03 = 7,208.85/x
  3. Step 3: Cross multiply
    12,515.07x = 17,277.03 × 7,208.85
  4. Step 4: Simplify right side
    12,515.07x = 124,547,517.72
  5. Step 5: Solve for x
    x = 124,547,517.72/12,515.07
  6. Step 6: Final answer
    x = 9,951.80

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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.