Home / 11,246.48-15,508.50-9,658.38

Finding the Fourth Proportional to 11,246.48, 15,508.50 and 9,658.38

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Solution

The fourth proportional to 11,246.48, 15,508.50 and 9,658.38 is: 13,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.48 : 15,508.50 = 9,658.38 : x
  2. Step 2: Convert to fraction form
    11,246.48/15,508.50 = 9,658.38/x
  3. Step 3: Cross multiply
    11,246.48x = 15,508.50 × 9,658.38
  4. Step 4: Simplify right side
    11,246.48x = 149,786,986.23
  5. Step 5: Solve for x
    x = 149,786,986.23/11,246.48
  6. Step 6: Final answer
    x = 13,318.57

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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.