Home / 18,445.20-27,664.83-5,294.58

Finding the Fourth Proportional to 18,445.20, 27,664.83 and 5,294.58

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Solution

The fourth proportional to 18,445.20, 27,664.83 and 5,294.58 is: 7,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.20 : 27,664.83 = 5,294.58 : x
  2. Step 2: Convert to fraction form
    18,445.20/27,664.83 = 5,294.58/x
  3. Step 3: Cross multiply
    18,445.20x = 27,664.83 × 5,294.58
  4. Step 4: Simplify right side
    18,445.20x = 146,473,655.62
  5. Step 5: Solve for x
    x = 146,473,655.62/18,445.20
  6. Step 6: Final answer
    x = 7,941.02

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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.