Home / 21,092.88-29,114.44-12,600.93

Finding the Fourth Proportional to 21,092.88, 29,114.44 and 12,600.93

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Solution

The fourth proportional to 21,092.88, 29,114.44 and 12,600.93 is: 17,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.88 : 29,114.44 = 12,600.93 : x
  2. Step 2: Convert to fraction form
    21,092.88/29,114.44 = 12,600.93/x
  3. Step 3: Cross multiply
    21,092.88x = 29,114.44 × 12,600.93
  4. Step 4: Simplify right side
    21,092.88x = 366,868,988.93
  5. Step 5: Solve for x
    x = 366,868,988.93/21,092.88
  6. Step 6: Final answer
    x = 17,393.02

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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.