Home / 18,726.72-25,818.26-14,424.66

Finding the Fourth Proportional to 18,726.72, 25,818.26 and 14,424.66

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Solution

The fourth proportional to 18,726.72, 25,818.26 and 14,424.66 is: 19,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.72 : 25,818.26 = 14,424.66 : x
  2. Step 2: Convert to fraction form
    18,726.72/25,818.26 = 14,424.66/x
  3. Step 3: Cross multiply
    18,726.72x = 25,818.26 × 14,424.66
  4. Step 4: Simplify right side
    18,726.72x = 372,419,622.29
  5. Step 5: Solve for x
    x = 372,419,622.29/18,726.72
  6. Step 6: Final answer
    x = 19,887.07

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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.