Home / 11,890.24-17,867.76-6,347.52

Finding the Fourth Proportional to 11,890.24, 17,867.76 and 6,347.52

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Solution

The fourth proportional to 11,890.24, 17,867.76 and 6,347.52 is: 9,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.24 : 17,867.76 = 6,347.52 : x
  2. Step 2: Convert to fraction form
    11,890.24/17,867.76 = 6,347.52/x
  3. Step 3: Cross multiply
    11,890.24x = 17,867.76 × 6,347.52
  4. Step 4: Simplify right side
    11,890.24x = 113,415,963.96
  5. Step 5: Solve for x
    x = 113,415,963.96/11,890.24
  6. Step 6: Final answer
    x = 9,538.58

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1.5x scale

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.