Home / 12,848.53-17,731.30-7,183.89

Finding the Fourth Proportional to 12,848.53, 17,731.30 and 7,183.89

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Solution

The fourth proportional to 12,848.53, 17,731.30 and 7,183.89 is: 9,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.53 : 17,731.30 = 7,183.89 : x
  2. Step 2: Convert to fraction form
    12,848.53/17,731.30 = 7,183.89/x
  3. Step 3: Cross multiply
    12,848.53x = 17,731.30 × 7,183.89
  4. Step 4: Simplify right side
    12,848.53x = 127,379,708.76
  5. Step 5: Solve for x
    x = 127,379,708.76/12,848.53
  6. Step 6: Final answer
    x = 9,913.95

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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.