Home / 18,197.92-27,298.32-7,807.04

Finding the Fourth Proportional to 18,197.92, 27,298.32 and 7,807.04

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Solution

The fourth proportional to 18,197.92, 27,298.32 and 7,807.04 is: 11,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.92 : 27,298.32 = 7,807.04 : x
  2. Step 2: Convert to fraction form
    18,197.92/27,298.32 = 7,807.04/x
  3. Step 3: Cross multiply
    18,197.92x = 27,298.32 × 7,807.04
  4. Step 4: Simplify right side
    18,197.92x = 213,119,076.17
  5. Step 5: Solve for x
    x = 213,119,076.17/18,197.92
  6. Step 6: Final answer
    x = 11,711.18

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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.