Home / 17,687.16-24,418.40-11,726.91

Finding the Fourth Proportional to 17,687.16, 24,418.40 and 11,726.91

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Solution

The fourth proportional to 17,687.16, 24,418.40 and 11,726.91 is: 16,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.16 : 24,418.40 = 11,726.91 : x
  2. Step 2: Convert to fraction form
    17,687.16/24,418.40 = 11,726.91/x
  3. Step 3: Cross multiply
    17,687.16x = 24,418.40 × 11,726.91
  4. Step 4: Simplify right side
    17,687.16x = 286,352,320.51
  5. Step 5: Solve for x
    x = 286,352,320.51/17,687.16
  6. Step 6: Final answer
    x = 16,189.84

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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.