Home / 12,238.26-16,888.84-6,649.26

Finding the Fourth Proportional to 12,238.26, 16,888.84 and 6,649.26

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Solution

The fourth proportional to 12,238.26, 16,888.84 and 6,649.26 is: 9,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.26 : 16,888.84 = 6,649.26 : x
  2. Step 2: Convert to fraction form
    12,238.26/16,888.84 = 6,649.26/x
  3. Step 3: Cross multiply
    12,238.26x = 16,888.84 × 6,649.26
  4. Step 4: Simplify right side
    12,238.26x = 112,298,288.26
  5. Step 5: Solve for x
    x = 112,298,288.26/12,238.26
  6. Step 6: Final answer
    x = 9,176.00

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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.