Home / 13,908.86-19,190.80-8,244.94

Finding the Fourth Proportional to 13,908.86, 19,190.80 and 8,244.94

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Solution

The fourth proportional to 13,908.86, 19,190.80 and 8,244.94 is: 11,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.86 : 19,190.80 = 8,244.94 : x
  2. Step 2: Convert to fraction form
    13,908.86/19,190.80 = 8,244.94/x
  3. Step 3: Cross multiply
    13,908.86x = 19,190.80 × 8,244.94
  4. Step 4: Simplify right side
    13,908.86x = 158,226,925.96
  5. Step 5: Solve for x
    x = 158,226,925.96/13,908.86
  6. Step 6: Final answer
    x = 11,375.98

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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.