Home / 18,113.58-27,170.39-14,587.05

Finding the Fourth Proportional to 18,113.58, 27,170.39 and 14,587.05

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Solution

The fourth proportional to 18,113.58, 27,170.39 and 14,587.05 is: 21,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.58 : 27,170.39 = 14,587.05 : x
  2. Step 2: Convert to fraction form
    18,113.58/27,170.39 = 14,587.05/x
  3. Step 3: Cross multiply
    18,113.58x = 27,170.39 × 14,587.05
  4. Step 4: Simplify right side
    18,113.58x = 396,335,764.51
  5. Step 5: Solve for x
    x = 396,335,764.51/18,113.58
  6. Step 6: Final answer
    x = 21,880.59

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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.