Home / 20,472.07-30,717.81-6,621.07

Finding the Fourth Proportional to 20,472.07, 30,717.81 and 6,621.07

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Solution

The fourth proportional to 20,472.07, 30,717.81 and 6,621.07 is: 9,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472.07 : 30,717.81 = 6,621.07 : x
  2. Step 2: Convert to fraction form
    20,472.07/30,717.81 = 6,621.07/x
  3. Step 3: Cross multiply
    20,472.07x = 30,717.81 × 6,621.07
  4. Step 4: Simplify right side
    20,472.07x = 203,384,770.26
  5. Step 5: Solve for x
    x = 203,384,770.26/20,472.07
  6. Step 6: Final answer
    x = 9,934.74

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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.