Home / 19,785.87-29,678.57-5,934.75

Finding the Fourth Proportional to 19,785.87, 29,678.57 and 5,934.75

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Solution

The fourth proportional to 19,785.87, 29,678.57 and 5,934.75 is: 8,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.87 : 29,678.57 = 5,934.75 : x
  2. Step 2: Convert to fraction form
    19,785.87/29,678.57 = 5,934.75/x
  3. Step 3: Cross multiply
    19,785.87x = 29,678.57 × 5,934.75
  4. Step 4: Simplify right side
    19,785.87x = 176,134,863.63
  5. Step 5: Solve for x
    x = 176,134,863.63/19,785.87
  6. Step 6: Final answer
    x = 8,902.05

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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.