Home / 18,103.08-27,150.90-6,854.53

Finding the Fourth Proportional to 18,103.08, 27,150.90 and 6,854.53

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Solution

The fourth proportional to 18,103.08, 27,150.90 and 6,854.53 is: 10,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.08 : 27,150.90 = 6,854.53 : x
  2. Step 2: Convert to fraction form
    18,103.08/27,150.90 = 6,854.53/x
  3. Step 3: Cross multiply
    18,103.08x = 27,150.90 × 6,854.53
  4. Step 4: Simplify right side
    18,103.08x = 186,106,775.30
  5. Step 5: Solve for x
    x = 186,106,775.30/18,103.08
  6. Step 6: Final answer
    x = 10,280.40

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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.