Home / 13,561.06-20,306.22-10,914.11

Finding the Fourth Proportional to 13,561.06, 20,306.22 and 10,914.11

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Solution

The fourth proportional to 13,561.06, 20,306.22 and 10,914.11 is: 16,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.06 : 20,306.22 = 10,914.11 : x
  2. Step 2: Convert to fraction form
    13,561.06/20,306.22 = 10,914.11/x
  3. Step 3: Cross multiply
    13,561.06x = 20,306.22 × 10,914.11
  4. Step 4: Simplify right side
    13,561.06x = 221,624,318.76
  5. Step 5: Solve for x
    x = 221,624,318.76/13,561.06
  6. Step 6: Final answer
    x = 16,342.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.