Home / 12,176.29-18,262.72-4,785.94

Finding the Fourth Proportional to 12,176.29, 18,262.72 and 4,785.94

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Solution

The fourth proportional to 12,176.29, 18,262.72 and 4,785.94 is: 7,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.29 : 18,262.72 = 4,785.94 : x
  2. Step 2: Convert to fraction form
    12,176.29/18,262.72 = 4,785.94/x
  3. Step 3: Cross multiply
    12,176.29x = 18,262.72 × 4,785.94
  4. Step 4: Simplify right side
    12,176.29x = 87,404,282.16
  5. Step 5: Solve for x
    x = 87,404,282.16/12,176.29
  6. Step 6: Final answer
    x = 7,178.24

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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.