Home / 20,549.36-30,807.88-8,693.44

Finding the Fourth Proportional to 20,549.36, 30,807.88 and 8,693.44

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Solution

The fourth proportional to 20,549.36, 30,807.88 and 8,693.44 is: 13,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.36 : 30,807.88 = 8,693.44 : x
  2. Step 2: Convert to fraction form
    20,549.36/30,807.88 = 8,693.44/x
  3. Step 3: Cross multiply
    20,549.36x = 30,807.88 × 8,693.44
  4. Step 4: Simplify right side
    20,549.36x = 267,826,456.31
  5. Step 5: Solve for x
    x = 267,826,456.31/20,549.36
  6. Step 6: Final answer
    x = 13,033.32

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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.