Home / 14,500.12-20,010.18-8,212.36

Finding the Fourth Proportional to 14,500.12, 20,010.18 and 8,212.36

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Solution

The fourth proportional to 14,500.12, 20,010.18 and 8,212.36 is: 11,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.12 : 20,010.18 = 8,212.36 : x
  2. Step 2: Convert to fraction form
    14,500.12/20,010.18 = 8,212.36/x
  3. Step 3: Cross multiply
    14,500.12x = 20,010.18 × 8,212.36
  4. Step 4: Simplify right side
    14,500.12x = 164,330,801.82
  5. Step 5: Solve for x
    x = 164,330,801.82/14,500.12
  6. Step 6: Final answer
    x = 11,333.06

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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.