Home / 9,455.78-14,177.09-4,187.93

Finding the Fourth Proportional to 9,455.78, 14,177.09 and 4,187.93

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Solution

The fourth proportional to 9,455.78, 14,177.09 and 4,187.93 is: 6,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.78 : 14,177.09 = 4,187.93 : x
  2. Step 2: Convert to fraction form
    9,455.78/14,177.09 = 4,187.93/x
  3. Step 3: Cross multiply
    9,455.78x = 14,177.09 × 4,187.93
  4. Step 4: Simplify right side
    9,455.78x = 59,372,660.52
  5. Step 5: Solve for x
    x = 59,372,660.52/9,455.78
  6. Step 6: Final answer
    x = 6,278.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.