Home / 11,332.26-15,640.40-9,440.85

Finding the Fourth Proportional to 11,332.26, 15,640.40 and 9,440.85

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Solution

The fourth proportional to 11,332.26, 15,640.40 and 9,440.85 is: 13,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.26 : 15,640.40 = 9,440.85 : x
  2. Step 2: Convert to fraction form
    11,332.26/15,640.40 = 9,440.85/x
  3. Step 3: Cross multiply
    11,332.26x = 15,640.40 × 9,440.85
  4. Step 4: Simplify right side
    11,332.26x = 147,658,670.34
  5. Step 5: Solve for x
    x = 147,658,670.34/11,332.26
  6. Step 6: Final answer
    x = 13,029.94

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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.