Home / 21,114.59-29,125.44-13,944.57

Finding the Fourth Proportional to 21,114.59, 29,125.44 and 13,944.57

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Solution

The fourth proportional to 21,114.59, 29,125.44 and 13,944.57 is: 19,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,114.59 : 29,125.44 = 13,944.57 : x
  2. Step 2: Convert to fraction form
    21,114.59/29,125.44 = 13,944.57/x
  3. Step 3: Cross multiply
    21,114.59x = 29,125.44 × 13,944.57
  4. Step 4: Simplify right side
    21,114.59x = 406,141,736.86
  5. Step 5: Solve for x
    x = 406,141,736.86/21,114.59
  6. Step 6: Final answer
    x = 19,235.12

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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.