Home / 18,547.46-27,822.15-5,400.86

Finding the Fourth Proportional to 18,547.46, 27,822.15 and 5,400.86

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Solution

The fourth proportional to 18,547.46, 27,822.15 and 5,400.86 is: 8,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.46 : 27,822.15 = 5,400.86 : x
  2. Step 2: Convert to fraction form
    18,547.46/27,822.15 = 5,400.86/x
  3. Step 3: Cross multiply
    18,547.46x = 27,822.15 × 5,400.86
  4. Step 4: Simplify right side
    18,547.46x = 150,263,397.94
  5. Step 5: Solve for x
    x = 150,263,397.94/18,547.46
  6. Step 6: Final answer
    x = 8,101.56

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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.