Home / 18,065.04-27,098.12-4,917.72

Finding the Fourth Proportional to 18,065.04, 27,098.12 and 4,917.72

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Solution

The fourth proportional to 18,065.04, 27,098.12 and 4,917.72 is: 7,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.04 : 27,098.12 = 4,917.72 : x
  2. Step 2: Convert to fraction form
    18,065.04/27,098.12 = 4,917.72/x
  3. Step 3: Cross multiply
    18,065.04x = 27,098.12 × 4,917.72
  4. Step 4: Simplify right side
    18,065.04x = 133,260,966.69
  5. Step 5: Solve for x
    x = 133,260,966.69/18,065.04
  6. Step 6: Final answer
    x = 7,376.73

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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.