Home / 12,213.18-18,296.69-10,551.06

Finding the Fourth Proportional to 12,213.18, 18,296.69 and 10,551.06

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Solution

The fourth proportional to 12,213.18, 18,296.69 and 10,551.06 is: 15,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.18 : 18,296.69 = 10,551.06 : x
  2. Step 2: Convert to fraction form
    12,213.18/18,296.69 = 10,551.06/x
  3. Step 3: Cross multiply
    12,213.18x = 18,296.69 × 10,551.06
  4. Step 4: Simplify right side
    12,213.18x = 193,049,421.24
  5. Step 5: Solve for x
    x = 193,049,421.24/12,213.18
  6. Step 6: Final answer
    x = 15,806.65

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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.