Home / 16,785.51-25,176.84-7,898.75

Finding the Fourth Proportional to 16,785.51, 25,176.84 and 7,898.75

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Solution

The fourth proportional to 16,785.51, 25,176.84 and 7,898.75 is: 11,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.51 : 25,176.84 = 7,898.75 : x
  2. Step 2: Convert to fraction form
    16,785.51/25,176.84 = 7,898.75/x
  3. Step 3: Cross multiply
    16,785.51x = 25,176.84 × 7,898.75
  4. Step 4: Simplify right side
    16,785.51x = 198,865,439.07
  5. Step 5: Solve for x
    x = 198,865,439.07/16,785.51
  6. Step 6: Final answer
    x = 11,847.45

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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.