Home / 15,625.53-21,573.29-13,944.05

Finding the Fourth Proportional to 15,625.53, 21,573.29 and 13,944.05

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Solution

The fourth proportional to 15,625.53, 21,573.29 and 13,944.05 is: 19,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.53 : 21,573.29 = 13,944.05 : x
  2. Step 2: Convert to fraction form
    15,625.53/21,573.29 = 13,944.05/x
  3. Step 3: Cross multiply
    15,625.53x = 21,573.29 × 13,944.05
  4. Step 4: Simplify right side
    15,625.53x = 300,819,034.42
  5. Step 5: Solve for x
    x = 300,819,034.42/15,625.53
  6. Step 6: Final answer
    x = 19,251.77

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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.