Home / 13,937.40-19,226.70-11,863.80

Finding the Fourth Proportional to 13,937.40, 19,226.70 and 11,863.80

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Solution

The fourth proportional to 13,937.40, 19,226.70 and 11,863.80 is: 16,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.40 : 19,226.70 = 11,863.80 : x
  2. Step 2: Convert to fraction form
    13,937.40/19,226.70 = 11,863.80/x
  3. Step 3: Cross multiply
    13,937.40x = 19,226.70 × 11,863.80
  4. Step 4: Simplify right side
    13,937.40x = 228,101,723.46
  5. Step 5: Solve for x
    x = 228,101,723.46/13,937.40
  6. Step 6: Final answer
    x = 16,366.16

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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.