Home / 20,617.49-30,926.16-7,466.79

Finding the Fourth Proportional to 20,617.49, 30,926.16 and 7,466.79

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Solution

The fourth proportional to 20,617.49, 30,926.16 and 7,466.79 is: 11,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.49 : 30,926.16 = 7,466.79 : x
  2. Step 2: Convert to fraction form
    20,617.49/30,926.16 = 7,466.79/x
  3. Step 3: Cross multiply
    20,617.49x = 30,926.16 × 7,466.79
  4. Step 4: Simplify right side
    20,617.49x = 230,919,142.23
  5. Step 5: Solve for x
    x = 230,919,142.23/20,617.49
  6. Step 6: Final answer
    x = 11,200.16

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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.