Home / 12,506.32-17,267.40-7,792.72

Finding the Fourth Proportional to 12,506.32, 17,267.40 and 7,792.72

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Solution

The fourth proportional to 12,506.32, 17,267.40 and 7,792.72 is: 10,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.32 : 17,267.40 = 7,792.72 : x
  2. Step 2: Convert to fraction form
    12,506.32/17,267.40 = 7,792.72/x
  3. Step 3: Cross multiply
    12,506.32x = 17,267.40 × 7,792.72
  4. Step 4: Simplify right side
    12,506.32x = 134,560,013.33
  5. Step 5: Solve for x
    x = 134,560,013.33/12,506.32
  6. Step 6: Final answer
    x = 10,759.36

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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.