Home / 20,623.52-30,951.66-7,479.66

Finding the Fourth Proportional to 20,623.52, 30,951.66 and 7,479.66

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Solution

The fourth proportional to 20,623.52, 30,951.66 and 7,479.66 is: 11,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.52 : 30,951.66 = 7,479.66 : x
  2. Step 2: Convert to fraction form
    20,623.52/30,951.66 = 7,479.66/x
  3. Step 3: Cross multiply
    20,623.52x = 30,951.66 × 7,479.66
  4. Step 4: Simplify right side
    20,623.52x = 231,507,893.24
  5. Step 5: Solve for x
    x = 231,507,893.24/20,623.52
  6. Step 6: Final answer
    x = 11,225.43

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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.