Home / 13,624.88-18,856.32-13,297.64

Finding the Fourth Proportional to 13,624.88, 18,856.32 and 13,297.64

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Solution

The fourth proportional to 13,624.88, 18,856.32 and 13,297.64 is: 18,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.88 : 18,856.32 = 13,297.64 : x
  2. Step 2: Convert to fraction form
    13,624.88/18,856.32 = 13,297.64/x
  3. Step 3: Cross multiply
    13,624.88x = 18,856.32 × 13,297.64
  4. Step 4: Simplify right side
    13,624.88x = 250,744,555.08
  5. Step 5: Solve for x
    x = 250,744,555.08/13,624.88
  6. Step 6: Final answer
    x = 18,403.43

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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.