Home / 12,494.08-17,264.68-11,886.80

Finding the Fourth Proportional to 12,494.08, 17,264.68 and 11,886.80

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Solution

The fourth proportional to 12,494.08, 17,264.68 and 11,886.80 is: 16,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.08 : 17,264.68 = 11,886.80 : x
  2. Step 2: Convert to fraction form
    12,494.08/17,264.68 = 11,886.80/x
  3. Step 3: Cross multiply
    12,494.08x = 17,264.68 × 11,886.80
  4. Step 4: Simplify right side
    12,494.08x = 205,221,798.22
  5. Step 5: Solve for x
    x = 205,221,798.22/12,494.08
  6. Step 6: Final answer
    x = 16,425.52

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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.