Home / 20,313.53-30,466.56-9,217.55

Finding the Fourth Proportional to 20,313.53, 30,466.56 and 9,217.55

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Solution

The fourth proportional to 20,313.53, 30,466.56 and 9,217.55 is: 13,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.53 : 30,466.56 = 9,217.55 : x
  2. Step 2: Convert to fraction form
    20,313.53/30,466.56 = 9,217.55/x
  3. Step 3: Cross multiply
    20,313.53x = 30,466.56 × 9,217.55
  4. Step 4: Simplify right side
    20,313.53x = 280,827,040.13
  5. Step 5: Solve for x
    x = 280,827,040.13/20,313.53
  6. Step 6: Final answer
    x = 13,824.63

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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.