Home / 12,552.42-17,310.30-7,515.84

Finding the Fourth Proportional to 12,552.42, 17,310.30 and 7,515.84

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Solution

The fourth proportional to 12,552.42, 17,310.30 and 7,515.84 is: 10,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.42 : 17,310.30 = 7,515.84 : x
  2. Step 2: Convert to fraction form
    12,552.42/17,310.30 = 7,515.84/x
  3. Step 3: Cross multiply
    12,552.42x = 17,310.30 × 7,515.84
  4. Step 4: Simplify right side
    12,552.42x = 130,101,445.15
  5. Step 5: Solve for x
    x = 130,101,445.15/12,552.42
  6. Step 6: Final answer
    x = 10,364.65

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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.