Home / 14,092.08-21,138.92-5,326.24

Finding the Fourth Proportional to 14,092.08, 21,138.92 and 5,326.24

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Solution

The fourth proportional to 14,092.08, 21,138.92 and 5,326.24 is: 7,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.08 : 21,138.92 = 5,326.24 : x
  2. Step 2: Convert to fraction form
    14,092.08/21,138.92 = 5,326.24/x
  3. Step 3: Cross multiply
    14,092.08x = 21,138.92 × 5,326.24
  4. Step 4: Simplify right side
    14,092.08x = 112,590,961.26
  5. Step 5: Solve for x
    x = 112,590,961.26/14,092.08
  6. Step 6: Final answer
    x = 7,989.66

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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.