Home / 21,844.56-30,124.68-14,288.52

Finding the Fourth Proportional to 21,844.56, 30,124.68 and 14,288.52

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Solution

The fourth proportional to 21,844.56, 30,124.68 and 14,288.52 is: 19,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.56 : 30,124.68 = 14,288.52 : x
  2. Step 2: Convert to fraction form
    21,844.56/30,124.68 = 14,288.52/x
  3. Step 3: Cross multiply
    21,844.56x = 30,124.68 × 14,288.52
  4. Step 4: Simplify right side
    21,844.56x = 430,437,092.67
  5. Step 5: Solve for x
    x = 430,437,092.67/21,844.56
  6. Step 6: Final answer
    x = 19,704.54

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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.