Home / 12,282.62-18,423.05-4,384.24

Finding the Fourth Proportional to 12,282.62, 18,423.05 and 4,384.24

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Solution

The fourth proportional to 12,282.62, 18,423.05 and 4,384.24 is: 6,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.62 : 18,423.05 = 4,384.24 : x
  2. Step 2: Convert to fraction form
    12,282.62/18,423.05 = 4,384.24/x
  3. Step 3: Cross multiply
    12,282.62x = 18,423.05 × 4,384.24
  4. Step 4: Simplify right side
    12,282.62x = 80,771,108.38
  5. Step 5: Solve for x
    x = 80,771,108.38/12,282.62
  6. Step 6: Final answer
    x = 6,576.05

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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.