Home / 9,223.73-12,729.32-5,245.55

Finding the Fourth Proportional to 9,223.73, 12,729.32 and 5,245.55

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Solution

The fourth proportional to 9,223.73, 12,729.32 and 5,245.55 is: 7,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.73 : 12,729.32 = 5,245.55 : x
  2. Step 2: Convert to fraction form
    9,223.73/12,729.32 = 5,245.55/x
  3. Step 3: Cross multiply
    9,223.73x = 12,729.32 × 5,245.55
  4. Step 4: Simplify right side
    9,223.73x = 66,772,284.53
  5. Step 5: Solve for x
    x = 66,772,284.53/9,223.73
  6. Step 6: Final answer
    x = 7,239.18

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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.