Home / 18,872.46-28,307.04-6,392.22

Finding the Fourth Proportional to 18,872.46, 28,307.04 and 6,392.22

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Solution

The fourth proportional to 18,872.46, 28,307.04 and 6,392.22 is: 9,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.46 : 28,307.04 = 6,392.22 : x
  2. Step 2: Convert to fraction form
    18,872.46/28,307.04 = 6,392.22/x
  3. Step 3: Cross multiply
    18,872.46x = 28,307.04 × 6,392.22
  4. Step 4: Simplify right side
    18,872.46x = 180,944,697.11
  5. Step 5: Solve for x
    x = 180,944,697.11/18,872.46
  6. Step 6: Final answer
    x = 9,587.76

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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.