Home / 18,078.42-27,106.02-8,706.18

Finding the Fourth Proportional to 18,078.42, 27,106.02 and 8,706.18

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Solution

The fourth proportional to 18,078.42, 27,106.02 and 8,706.18 is: 13,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.42 : 27,106.02 = 8,706.18 : x
  2. Step 2: Convert to fraction form
    18,078.42/27,106.02 = 8,706.18/x
  3. Step 3: Cross multiply
    18,078.42x = 27,106.02 × 8,706.18
  4. Step 4: Simplify right side
    18,078.42x = 235,989,889.20
  5. Step 5: Solve for x
    x = 235,989,889.20/18,078.42
  6. Step 6: Final answer
    x = 13,053.68

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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.