Home / 22,421.08-33,631.44-8,384.65

Finding the Fourth Proportional to 22,421.08, 33,631.44 and 8,384.65

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Solution

The fourth proportional to 22,421.08, 33,631.44 and 8,384.65 is: 12,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.08 : 33,631.44 = 8,384.65 : x
  2. Step 2: Convert to fraction form
    22,421.08/33,631.44 = 8,384.65/x
  3. Step 3: Cross multiply
    22,421.08x = 33,631.44 × 8,384.65
  4. Step 4: Simplify right side
    22,421.08x = 281,987,853.40
  5. Step 5: Solve for x
    x = 281,987,853.40/22,421.08
  6. Step 6: Final answer
    x = 12,576.91

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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.