Home / 14,073.34-19,420.57-8,103.77

Finding the Fourth Proportional to 14,073.34, 19,420.57 and 8,103.77

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Solution

The fourth proportional to 14,073.34, 19,420.57 and 8,103.77 is: 11,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.34 : 19,420.57 = 8,103.77 : x
  2. Step 2: Convert to fraction form
    14,073.34/19,420.57 = 8,103.77/x
  3. Step 3: Cross multiply
    14,073.34x = 19,420.57 × 8,103.77
  4. Step 4: Simplify right side
    14,073.34x = 157,379,832.55
  5. Step 5: Solve for x
    x = 157,379,832.55/14,073.34
  6. Step 6: Final answer
    x = 11,182.83

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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.