Home / 14,126.88-21,197.16-9,993.48

Finding the Fourth Proportional to 14,126.88, 21,197.16 and 9,993.48

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Solution

The fourth proportional to 14,126.88, 21,197.16 and 9,993.48 is: 14,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.88 : 21,197.16 = 9,993.48 : x
  2. Step 2: Convert to fraction form
    14,126.88/21,197.16 = 9,993.48/x
  3. Step 3: Cross multiply
    14,126.88x = 21,197.16 × 9,993.48
  4. Step 4: Simplify right side
    14,126.88x = 211,833,394.52
  5. Step 5: Solve for x
    x = 211,833,394.52/14,126.88
  6. Step 6: Final answer
    x = 14,995.06

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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.