Home / 12,537.62-18,807.35-4,217.60

Finding the Fourth Proportional to 12,537.62, 18,807.35 and 4,217.60

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Solution

The fourth proportional to 12,537.62, 18,807.35 and 4,217.60 is: 6,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.62 : 18,807.35 = 4,217.60 : x
  2. Step 2: Convert to fraction form
    12,537.62/18,807.35 = 4,217.60/x
  3. Step 3: Cross multiply
    12,537.62x = 18,807.35 × 4,217.60
  4. Step 4: Simplify right side
    12,537.62x = 79,321,764.24
  5. Step 5: Solve for x
    x = 79,321,764.24/12,537.62
  6. Step 6: Final answer
    x = 6,326.70

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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.