Home / 14,391.35-19,861.08-8,018.36

Finding the Fourth Proportional to 14,391.35, 19,861.08 and 8,018.36

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Solution

The fourth proportional to 14,391.35, 19,861.08 and 8,018.36 is: 11,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.35 : 19,861.08 = 8,018.36 : x
  2. Step 2: Convert to fraction form
    14,391.35/19,861.08 = 8,018.36/x
  3. Step 3: Cross multiply
    14,391.35x = 19,861.08 × 8,018.36
  4. Step 4: Simplify right side
    14,391.35x = 159,253,289.43
  5. Step 5: Solve for x
    x = 159,253,289.43/14,391.35
  6. Step 6: Final answer
    x = 11,065.90

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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.