Home / 12,537.24-18,807.48-4,213.68

Finding the Fourth Proportional to 12,537.24, 18,807.48 and 4,213.68

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Solution

The fourth proportional to 12,537.24, 18,807.48 and 4,213.68 is: 6,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.24 : 18,807.48 = 4,213.68 : x
  2. Step 2: Convert to fraction form
    12,537.24/18,807.48 = 4,213.68/x
  3. Step 3: Cross multiply
    12,537.24x = 18,807.48 × 4,213.68
  4. Step 4: Simplify right side
    12,537.24x = 79,248,702.33
  5. Step 5: Solve for x
    x = 79,248,702.33/12,537.24
  6. Step 6: Final answer
    x = 6,321.06

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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.