Home / 18,153.06-27,217.53-8,774.34

Finding the Fourth Proportional to 18,153.06, 27,217.53 and 8,774.34

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Solution

The fourth proportional to 18,153.06, 27,217.53 and 8,774.34 is: 13,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.06 : 27,217.53 = 8,774.34 : x
  2. Step 2: Convert to fraction form
    18,153.06/27,217.53 = 8,774.34/x
  3. Step 3: Cross multiply
    18,153.06x = 27,217.53 × 8,774.34
  4. Step 4: Simplify right side
    18,153.06x = 238,815,862.18
  5. Step 5: Solve for x
    x = 238,815,862.18/18,153.06
  6. Step 6: Final answer
    x = 13,155.68

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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.