Home / 18,276.76-27,415.16-14,122.82

Finding the Fourth Proportional to 18,276.76, 27,415.16 and 14,122.82

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Solution

The fourth proportional to 18,276.76, 27,415.16 and 14,122.82 is: 21,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.76 : 27,415.16 = 14,122.82 : x
  2. Step 2: Convert to fraction form
    18,276.76/27,415.16 = 14,122.82/x
  3. Step 3: Cross multiply
    18,276.76x = 27,415.16 × 14,122.82
  4. Step 4: Simplify right side
    18,276.76x = 387,179,369.95
  5. Step 5: Solve for x
    x = 387,179,369.95/18,276.76
  6. Step 6: Final answer
    x = 21,184.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.