Home / 18,645.74-27,931.68-12,076.52

Finding the Fourth Proportional to 18,645.74, 27,931.68 and 12,076.52

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Solution

The fourth proportional to 18,645.74, 27,931.68 and 12,076.52 is: 18,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.74 : 27,931.68 = 12,076.52 : x
  2. Step 2: Convert to fraction form
    18,645.74/27,931.68 = 12,076.52/x
  3. Step 3: Cross multiply
    18,645.74x = 27,931.68 × 12,076.52
  4. Step 4: Simplify right side
    18,645.74x = 337,317,492.15
  5. Step 5: Solve for x
    x = 337,317,492.15/18,645.74
  6. Step 6: Final answer
    x = 18,090.86

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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.