Home / 20,621.18-30,934.02-6,577.94

Finding the Fourth Proportional to 20,621.18, 30,934.02 and 6,577.94

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Solution

The fourth proportional to 20,621.18, 30,934.02 and 6,577.94 is: 9,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,621.18 : 30,934.02 = 6,577.94 : x
  2. Step 2: Convert to fraction form
    20,621.18/30,934.02 = 6,577.94/x
  3. Step 3: Cross multiply
    20,621.18x = 30,934.02 × 6,577.94
  4. Step 4: Simplify right side
    20,621.18x = 203,482,127.52
  5. Step 5: Solve for x
    x = 203,482,127.52/20,621.18
  6. Step 6: Final answer
    x = 9,867.63

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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.