Home / 14,245.52-21,364.77-6,452.78

Finding the Fourth Proportional to 14,245.52, 21,364.77 and 6,452.78

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Solution

The fourth proportional to 14,245.52, 21,364.77 and 6,452.78 is: 9,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.52 : 21,364.77 = 6,452.78 : x
  2. Step 2: Convert to fraction form
    14,245.52/21,364.77 = 6,452.78/x
  3. Step 3: Cross multiply
    14,245.52x = 21,364.77 × 6,452.78
  4. Step 4: Simplify right side
    14,245.52x = 137,862,160.56
  5. Step 5: Solve for x
    x = 137,862,160.56/14,245.52
  6. Step 6: Final answer
    x = 9,677.58

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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.