Home / 16,775.64-25,167.78-6,381.72

Finding the Fourth Proportional to 16,775.64, 25,167.78 and 6,381.72

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Solution

The fourth proportional to 16,775.64, 25,167.78 and 6,381.72 is: 9,574.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.64 : 25,167.78 = 6,381.72 : x
  2. Step 2: Convert to fraction form
    16,775.64/25,167.78 = 6,381.72/x
  3. Step 3: Cross multiply
    16,775.64x = 25,167.78 × 6,381.72
  4. Step 4: Simplify right side
    16,775.64x = 160,613,724.98
  5. Step 5: Solve for x
    x = 160,613,724.98/16,775.64
  6. Step 6: Final answer
    x = 9,574.22

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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.