Home / 18,934.04-28,405.24-5,787.44

Finding the Fourth Proportional to 18,934.04, 28,405.24 and 5,787.44

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Solution

The fourth proportional to 18,934.04, 28,405.24 and 5,787.44 is: 8,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.04 : 28,405.24 = 5,787.44 : x
  2. Step 2: Convert to fraction form
    18,934.04/28,405.24 = 5,787.44/x
  3. Step 3: Cross multiply
    18,934.04x = 28,405.24 × 5,787.44
  4. Step 4: Simplify right side
    18,934.04x = 164,393,622.19
  5. Step 5: Solve for x
    x = 164,393,622.19/18,934.04
  6. Step 6: Final answer
    x = 8,682.44

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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.