Home / 13,624.26-18,803.69-11,351.98

Finding the Fourth Proportional to 13,624.26, 18,803.69 and 11,351.98

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Solution

The fourth proportional to 13,624.26, 18,803.69 and 11,351.98 is: 15,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.26 : 18,803.69 = 11,351.98 : x
  2. Step 2: Convert to fraction form
    13,624.26/18,803.69 = 11,351.98/x
  3. Step 3: Cross multiply
    13,624.26x = 18,803.69 × 11,351.98
  4. Step 4: Simplify right side
    13,624.26x = 213,459,112.81
  5. Step 5: Solve for x
    x = 213,459,112.81/13,624.26
  6. Step 6: Final answer
    x = 15,667.57

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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.