Home / 18,695.64-28,045.62-4,845.72

Finding the Fourth Proportional to 18,695.64, 28,045.62 and 4,845.72

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Solution

The fourth proportional to 18,695.64, 28,045.62 and 4,845.72 is: 7,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.64 : 28,045.62 = 4,845.72 : x
  2. Step 2: Convert to fraction form
    18,695.64/28,045.62 = 4,845.72/x
  3. Step 3: Cross multiply
    18,695.64x = 28,045.62 × 4,845.72
  4. Step 4: Simplify right side
    18,695.64x = 135,901,221.75
  5. Step 5: Solve for x
    x = 135,901,221.75/18,695.64
  6. Step 6: Final answer
    x = 7,269.14

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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.