Home / 14,440.17-19,921.85-8,469.66

Finding the Fourth Proportional to 14,440.17, 19,921.85 and 8,469.66

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Solution

The fourth proportional to 14,440.17, 19,921.85 and 8,469.66 is: 11,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.17 : 19,921.85 = 8,469.66 : x
  2. Step 2: Convert to fraction form
    14,440.17/19,921.85 = 8,469.66/x
  3. Step 3: Cross multiply
    14,440.17x = 19,921.85 × 8,469.66
  4. Step 4: Simplify right side
    14,440.17x = 168,731,360.19
  5. Step 5: Solve for x
    x = 168,731,360.19/14,440.17
  6. Step 6: Final answer
    x = 11,684.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.