Home / 13,829.42-20,727.38-9,925.76

Finding the Fourth Proportional to 13,829.42, 20,727.38 and 9,925.76

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Solution

The fourth proportional to 13,829.42, 20,727.38 and 9,925.76 is: 14,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.42 : 20,727.38 = 9,925.76 : x
  2. Step 2: Convert to fraction form
    13,829.42/20,727.38 = 9,925.76/x
  3. Step 3: Cross multiply
    13,829.42x = 20,727.38 × 9,925.76
  4. Step 4: Simplify right side
    13,829.42x = 205,734,999.31
  5. Step 5: Solve for x
    x = 205,734,999.31/13,829.42
  6. Step 6: Final answer
    x = 14,876.62

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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.