Home / 14,073.08-19,420.74-8,105.85

Finding the Fourth Proportional to 14,073.08, 19,420.74 and 8,105.85

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Solution

The fourth proportional to 14,073.08, 19,420.74 and 8,105.85 is: 11,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.08 : 19,420.74 = 8,105.85 : x
  2. Step 2: Convert to fraction form
    14,073.08/19,420.74 = 8,105.85/x
  3. Step 3: Cross multiply
    14,073.08x = 19,420.74 × 8,105.85
  4. Step 4: Simplify right side
    14,073.08x = 157,421,605.33
  5. Step 5: Solve for x
    x = 157,421,605.33/14,073.08
  6. Step 6: Final answer
    x = 11,186.01

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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.