Home / 19,775.52-29,638.62-14,144.76

Finding the Fourth Proportional to 19,775.52, 29,638.62 and 14,144.76

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Solution

The fourth proportional to 19,775.52, 29,638.62 and 14,144.76 is: 21,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.52 : 29,638.62 = 14,144.76 : x
  2. Step 2: Convert to fraction form
    19,775.52/29,638.62 = 14,144.76/x
  3. Step 3: Cross multiply
    19,775.52x = 29,638.62 × 14,144.76
  4. Step 4: Simplify right side
    19,775.52x = 419,231,166.63
  5. Step 5: Solve for x
    x = 419,231,166.63/19,775.52
  6. Step 6: Final answer
    x = 21,199.50

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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.