Home / 11,538.20-15,922.78-6,502.50

Finding the Fourth Proportional to 11,538.20, 15,922.78 and 6,502.50

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Solution

The fourth proportional to 11,538.20, 15,922.78 and 6,502.50 is: 8,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.20 : 15,922.78 = 6,502.50 : x
  2. Step 2: Convert to fraction form
    11,538.20/15,922.78 = 6,502.50/x
  3. Step 3: Cross multiply
    11,538.20x = 15,922.78 × 6,502.50
  4. Step 4: Simplify right side
    11,538.20x = 103,537,876.95
  5. Step 5: Solve for x
    x = 103,537,876.95/11,538.20
  6. Step 6: Final answer
    x = 8,973.49

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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.