Home / 14,187.72-21,258.17-8,247.94

Finding the Fourth Proportional to 14,187.72, 21,258.17 and 8,247.94

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Solution

The fourth proportional to 14,187.72, 21,258.17 and 8,247.94 is: 12,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.72 : 21,258.17 = 8,247.94 : x
  2. Step 2: Convert to fraction form
    14,187.72/21,258.17 = 8,247.94/x
  3. Step 3: Cross multiply
    14,187.72x = 21,258.17 × 8,247.94
  4. Step 4: Simplify right side
    14,187.72x = 175,336,004.38
  5. Step 5: Solve for x
    x = 175,336,004.38/14,187.72
  6. Step 6: Final answer
    x = 12,358.29

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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.