Home / 12,238.08-16,888.48-6,648.96

Finding the Fourth Proportional to 12,238.08, 16,888.48 and 6,648.96

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Solution

The fourth proportional to 12,238.08, 16,888.48 and 6,648.96 is: 9,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.08 : 16,888.48 = 6,648.96 : x
  2. Step 2: Convert to fraction form
    12,238.08/16,888.48 = 6,648.96/x
  3. Step 3: Cross multiply
    12,238.08x = 16,888.48 × 6,648.96
  4. Step 4: Simplify right side
    12,238.08x = 112,290,827.98
  5. Step 5: Solve for x
    x = 112,290,827.98/12,238.08
  6. Step 6: Final answer
    x = 9,175.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.