Home / 19,311.48-28,963.44-9,440.82

Finding the Fourth Proportional to 19,311.48, 28,963.44 and 9,440.82

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Solution

The fourth proportional to 19,311.48, 28,963.44 and 9,440.82 is: 14,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.48 : 28,963.44 = 9,440.82 : x
  2. Step 2: Convert to fraction form
    19,311.48/28,963.44 = 9,440.82/x
  3. Step 3: Cross multiply
    19,311.48x = 28,963.44 × 9,440.82
  4. Step 4: Simplify right side
    19,311.48x = 273,438,623.62
  5. Step 5: Solve for x
    x = 273,438,623.62/19,311.48
  6. Step 6: Final answer
    x = 14,159.38

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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.