Home / 10,542.22-14,544.42-8,120.32

Finding the Fourth Proportional to 10,542.22, 14,544.42 and 8,120.32

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Solution

The fourth proportional to 10,542.22, 14,544.42 and 8,120.32 is: 11,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.22 : 14,544.42 = 8,120.32 : x
  2. Step 2: Convert to fraction form
    10,542.22/14,544.42 = 8,120.32/x
  3. Step 3: Cross multiply
    10,542.22x = 14,544.42 × 8,120.32
  4. Step 4: Simplify right side
    10,542.22x = 118,105,344.61
  5. Step 5: Solve for x
    x = 118,105,344.61/10,542.22
  6. Step 6: Final answer
    x = 11,203.08

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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.