Home / 14,445.68-19,922.56-9,408

Finding the Fourth Proportional to 14,445.68, 19,922.56 and 9,408

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Solution

The fourth proportional to 14,445.68, 19,922.56 and 9,408 is: 12,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.68 : 19,922.56 = 9,408 : x
  2. Step 2: Convert to fraction form
    14,445.68/19,922.56 = 9,408/x
  3. Step 3: Cross multiply
    14,445.68x = 19,922.56 × 9,408
  4. Step 4: Simplify right side
    14,445.68x = 187,431,444.48
  5. Step 5: Solve for x
    x = 187,431,444.48/14,445.68
  6. Step 6: Final answer
    x = 12,974.91

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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.