Home / 20,723.63-31,085.54-6,684.71

Finding the Fourth Proportional to 20,723.63, 31,085.54 and 6,684.71

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Solution

The fourth proportional to 20,723.63, 31,085.54 and 6,684.71 is: 10,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.63 : 31,085.54 = 6,684.71 : x
  2. Step 2: Convert to fraction form
    20,723.63/31,085.54 = 6,684.71/x
  3. Step 3: Cross multiply
    20,723.63x = 31,085.54 × 6,684.71
  4. Step 4: Simplify right side
    20,723.63x = 207,797,631.24
  5. Step 5: Solve for x
    x = 207,797,631.24/20,723.63
  6. Step 6: Final answer
    x = 10,027.09

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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.