Home / 20,317.41-30,479.93-9,224.88

Finding the Fourth Proportional to 20,317.41, 30,479.93 and 9,224.88

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Solution

The fourth proportional to 20,317.41, 30,479.93 and 9,224.88 is: 13,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.41 : 30,479.93 = 9,224.88 : x
  2. Step 2: Convert to fraction form
    20,317.41/30,479.93 = 9,224.88/x
  3. Step 3: Cross multiply
    20,317.41x = 30,479.93 × 9,224.88
  4. Step 4: Simplify right side
    20,317.41x = 281,173,650.53
  5. Step 5: Solve for x
    x = 281,173,650.53/20,317.41
  6. Step 6: Final answer
    x = 13,839.05

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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.