Home / 17,918.72-24,726.40-11,642.88

Finding the Fourth Proportional to 17,918.72, 24,726.40 and 11,642.88

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Solution

The fourth proportional to 17,918.72, 24,726.40 and 11,642.88 is: 16,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.72 : 24,726.40 = 11,642.88 : x
  2. Step 2: Convert to fraction form
    17,918.72/24,726.40 = 11,642.88/x
  3. Step 3: Cross multiply
    17,918.72x = 24,726.40 × 11,642.88
  4. Step 4: Simplify right side
    17,918.72x = 287,886,508.03
  5. Step 5: Solve for x
    x = 287,886,508.03/17,918.72
  6. Step 6: Final answer
    x = 16,066.24

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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.