Home / 18,864.56-28,296.72-4,632.86

Finding the Fourth Proportional to 18,864.56, 28,296.72 and 4,632.86

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Solution

The fourth proportional to 18,864.56, 28,296.72 and 4,632.86 is: 6,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.56 : 28,296.72 = 4,632.86 : x
  2. Step 2: Convert to fraction form
    18,864.56/28,296.72 = 4,632.86/x
  3. Step 3: Cross multiply
    18,864.56x = 28,296.72 × 4,632.86
  4. Step 4: Simplify right side
    18,864.56x = 131,094,742.22
  5. Step 5: Solve for x
    x = 131,094,742.22/18,864.56
  6. Step 6: Final answer
    x = 6,949.26

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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.