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Finding the Fourth Proportional to 13,753, 20,596.38 and 8,807.32

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Solution

The fourth proportional to 13,753, 20,596.38 and 8,807.32 is: 13,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753 : 20,596.38 = 8,807.32 : x
  2. Step 2: Convert to fraction form
    13,753/20,596.38 = 8,807.32/x
  3. Step 3: Cross multiply
    13,753x = 20,596.38 × 8,807.32
  4. Step 4: Simplify right side
    13,753x = 181,398,909.50
  5. Step 5: Solve for x
    x = 181,398,909.50/13,753
  6. Step 6: Final answer
    x = 13,189.77

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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.