Home / 14,744.32-20,321.76-10,908.16

Finding the Fourth Proportional to 14,744.32, 20,321.76 and 10,908.16

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Solution

The fourth proportional to 14,744.32, 20,321.76 and 10,908.16 is: 15,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.32 : 20,321.76 = 10,908.16 : x
  2. Step 2: Convert to fraction form
    14,744.32/20,321.76 = 10,908.16/x
  3. Step 3: Cross multiply
    14,744.32x = 20,321.76 × 10,908.16
  4. Step 4: Simplify right side
    14,744.32x = 221,673,009.56
  5. Step 5: Solve for x
    x = 221,673,009.56/14,744.32
  6. Step 6: Final answer
    x = 15,034.47

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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.