Home / 13,635.98-18,826.97-10,443.63

Finding the Fourth Proportional to 13,635.98, 18,826.97 and 10,443.63

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Solution

The fourth proportional to 13,635.98, 18,826.97 and 10,443.63 is: 14,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.98 : 18,826.97 = 10,443.63 : x
  2. Step 2: Convert to fraction form
    13,635.98/18,826.97 = 10,443.63/x
  3. Step 3: Cross multiply
    13,635.98x = 18,826.97 × 10,443.63
  4. Step 4: Simplify right side
    13,635.98x = 196,621,856.48
  5. Step 5: Solve for x
    x = 196,621,856.48/13,635.98
  6. Step 6: Final answer
    x = 14,419.35

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Double scale
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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.