Home / 13,305.51-18,363.33-11,063.55

Finding the Fourth Proportional to 13,305.51, 18,363.33 and 11,063.55

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Solution

The fourth proportional to 13,305.51, 18,363.33 and 11,063.55 is: 15,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.51 : 18,363.33 = 11,063.55 : x
  2. Step 2: Convert to fraction form
    13,305.51/18,363.33 = 11,063.55/x
  3. Step 3: Cross multiply
    13,305.51x = 18,363.33 × 11,063.55
  4. Step 4: Simplify right side
    13,305.51x = 203,163,619.62
  5. Step 5: Solve for x
    x = 203,163,619.62/13,305.51
  6. Step 6: Final answer
    x = 15,269.13

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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.