Home / 20,846.52-31,247.37-9,005.87

Finding the Fourth Proportional to 20,846.52, 31,247.37 and 9,005.87

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Solution

The fourth proportional to 20,846.52, 31,247.37 and 9,005.87 is: 13,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.52 : 31,247.37 = 9,005.87 : x
  2. Step 2: Convert to fraction form
    20,846.52/31,247.37 = 9,005.87/x
  3. Step 3: Cross multiply
    20,846.52x = 31,247.37 × 9,005.87
  4. Step 4: Simplify right side
    20,846.52x = 281,409,830.18
  5. Step 5: Solve for x
    x = 281,409,830.18/20,846.52
  6. Step 6: Final answer
    x = 13,499.13

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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.