Home / 16,785.64-25,177.04-7,898.88

Finding the Fourth Proportional to 16,785.64, 25,177.04 and 7,898.88

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Solution

The fourth proportional to 16,785.64, 25,177.04 and 7,898.88 is: 11,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.64 : 25,177.04 = 7,898.88 : x
  2. Step 2: Convert to fraction form
    16,785.64/25,177.04 = 7,898.88/x
  3. Step 3: Cross multiply
    16,785.64x = 25,177.04 × 7,898.88
  4. Step 4: Simplify right side
    16,785.64x = 198,870,417.72
  5. Step 5: Solve for x
    x = 198,870,417.72/16,785.64
  6. Step 6: Final answer
    x = 11,847.65

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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.