Home / 18,116.46-27,145.40-9,800.39

Finding the Fourth Proportional to 18,116.46, 27,145.40 and 9,800.39

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Solution

The fourth proportional to 18,116.46, 27,145.40 and 9,800.39 is: 14,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.46 : 27,145.40 = 9,800.39 : x
  2. Step 2: Convert to fraction form
    18,116.46/27,145.40 = 9,800.39/x
  3. Step 3: Cross multiply
    18,116.46x = 27,145.40 × 9,800.39
  4. Step 4: Simplify right side
    18,116.46x = 266,035,525.57
  5. Step 5: Solve for x
    x = 266,035,525.57/18,116.46
  6. Step 6: Final answer
    x = 14,684.74

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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.