Home / 13,768.96-20,621.28-10,061.92

Finding the Fourth Proportional to 13,768.96, 20,621.28 and 10,061.92

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Solution

The fourth proportional to 13,768.96, 20,621.28 and 10,061.92 is: 15,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.96 : 20,621.28 = 10,061.92 : x
  2. Step 2: Convert to fraction form
    13,768.96/20,621.28 = 10,061.92/x
  3. Step 3: Cross multiply
    13,768.96x = 20,621.28 × 10,061.92
  4. Step 4: Simplify right side
    13,768.96x = 207,489,669.66
  5. Step 5: Solve for x
    x = 207,489,669.66/13,768.96
  6. Step 6: Final answer
    x = 15,069.38

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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.