Home / 18,118.41-27,133.32-10,700.85

Finding the Fourth Proportional to 18,118.41, 27,133.32 and 10,700.85

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Solution

The fourth proportional to 18,118.41, 27,133.32 and 10,700.85 is: 16,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.41 : 27,133.32 = 10,700.85 : x
  2. Step 2: Convert to fraction form
    18,118.41/27,133.32 = 10,700.85/x
  3. Step 3: Cross multiply
    18,118.41x = 27,133.32 × 10,700.85
  4. Step 4: Simplify right side
    18,118.41x = 290,349,587.32
  5. Step 5: Solve for x
    x = 290,349,587.32/18,118.41
  6. Step 6: Final answer
    x = 16,025.11

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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.