Home / 14,812.28-20,406.20-10,327.88

Finding the Fourth Proportional to 14,812.28, 20,406.20 and 10,327.88

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Solution

The fourth proportional to 14,812.28, 20,406.20 and 10,327.88 is: 14,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.28 : 20,406.20 = 10,327.88 : x
  2. Step 2: Convert to fraction form
    14,812.28/20,406.20 = 10,327.88/x
  3. Step 3: Cross multiply
    14,812.28x = 20,406.20 × 10,327.88
  4. Step 4: Simplify right side
    14,812.28x = 210,752,784.86
  5. Step 5: Solve for x
    x = 210,752,784.86/14,812.28
  6. Step 6: Final answer
    x = 14,228.25

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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.