Home / 20,525.24-30,787.89-6,486.71

Finding the Fourth Proportional to 20,525.24, 30,787.89 and 6,486.71

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Solution

The fourth proportional to 20,525.24, 30,787.89 and 6,486.71 is: 9,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.24 : 30,787.89 = 6,486.71 : x
  2. Step 2: Convert to fraction form
    20,525.24/30,787.89 = 6,486.71/x
  3. Step 3: Cross multiply
    20,525.24x = 30,787.89 × 6,486.71
  4. Step 4: Simplify right side
    20,525.24x = 199,711,935.68
  5. Step 5: Solve for x
    x = 199,711,935.68/20,525.24
  6. Step 6: Final answer
    x = 9,730.06

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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.