Home / 16,820.17-23,211.07-9,266.15

Finding the Fourth Proportional to 16,820.17, 23,211.07 and 9,266.15

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Solution

The fourth proportional to 16,820.17, 23,211.07 and 9,266.15 is: 12,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.17 : 23,211.07 = 9,266.15 : x
  2. Step 2: Convert to fraction form
    16,820.17/23,211.07 = 9,266.15/x
  3. Step 3: Cross multiply
    16,820.17x = 23,211.07 × 9,266.15
  4. Step 4: Simplify right side
    16,820.17x = 215,077,212.70
  5. Step 5: Solve for x
    x = 215,077,212.70/16,820.17
  6. Step 6: Final answer
    x = 12,786.86

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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.