Home / 12,238.98-18,345.84-4,840.44

Finding the Fourth Proportional to 12,238.98, 18,345.84 and 4,840.44

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Solution

The fourth proportional to 12,238.98, 18,345.84 and 4,840.44 is: 7,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.98 : 18,345.84 = 4,840.44 : x
  2. Step 2: Convert to fraction form
    12,238.98/18,345.84 = 4,840.44/x
  3. Step 3: Cross multiply
    12,238.98x = 18,345.84 × 4,840.44
  4. Step 4: Simplify right side
    12,238.98x = 88,801,937.77
  5. Step 5: Solve for x
    x = 88,801,937.77/12,238.98
  6. Step 6: Final answer
    x = 7,255.66

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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.