Home / 18,457.19-27,686.18-6,611.73

Finding the Fourth Proportional to 18,457.19, 27,686.18 and 6,611.73

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Solution

The fourth proportional to 18,457.19, 27,686.18 and 6,611.73 is: 9,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.19 : 27,686.18 = 6,611.73 : x
  2. Step 2: Convert to fraction form
    18,457.19/27,686.18 = 6,611.73/x
  3. Step 3: Cross multiply
    18,457.19x = 27,686.18 × 6,611.73
  4. Step 4: Simplify right side
    18,457.19x = 183,053,674.60
  5. Step 5: Solve for x
    x = 183,053,674.60/18,457.19
  6. Step 6: Final answer
    x = 9,917.74

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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.