Home / 14,757.68-20,369.88-9,725.60

Finding the Fourth Proportional to 14,757.68, 20,369.88 and 9,725.60

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Solution

The fourth proportional to 14,757.68, 20,369.88 and 9,725.60 is: 13,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.68 : 20,369.88 = 9,725.60 : x
  2. Step 2: Convert to fraction form
    14,757.68/20,369.88 = 9,725.60/x
  3. Step 3: Cross multiply
    14,757.68x = 20,369.88 × 9,725.60
  4. Step 4: Simplify right side
    14,757.68x = 198,109,304.93
  5. Step 5: Solve for x
    x = 198,109,304.93/14,757.68
  6. Step 6: Final answer
    x = 13,424.15

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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.