Home / 12,752.42-17,599.32-7,087.64

Finding the Fourth Proportional to 12,752.42, 17,599.32 and 7,087.64

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Solution

The fourth proportional to 12,752.42, 17,599.32 and 7,087.64 is: 9,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.42 : 17,599.32 = 7,087.64 : x
  2. Step 2: Convert to fraction form
    12,752.42/17,599.32 = 7,087.64/x
  3. Step 3: Cross multiply
    12,752.42x = 17,599.32 × 7,087.64
  4. Step 4: Simplify right side
    12,752.42x = 124,737,556.41
  5. Step 5: Solve for x
    x = 124,737,556.41/12,752.42
  6. Step 6: Final answer
    x = 9,781.48

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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.