Home / 13,726.15-18,944.34-10,363.70

Finding the Fourth Proportional to 13,726.15, 18,944.34 and 10,363.70

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Solution

The fourth proportional to 13,726.15, 18,944.34 and 10,363.70 is: 14,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.15 : 18,944.34 = 10,363.70 : x
  2. Step 2: Convert to fraction form
    13,726.15/18,944.34 = 10,363.70/x
  3. Step 3: Cross multiply
    13,726.15x = 18,944.34 × 10,363.70
  4. Step 4: Simplify right side
    13,726.15x = 196,333,456.46
  5. Step 5: Solve for x
    x = 196,333,456.46/13,726.15
  6. Step 6: Final answer
    x = 14,303.61

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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.