Home / 13,489.16-20,242.83-4,724.15

Finding the Fourth Proportional to 13,489.16, 20,242.83 and 4,724.15

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Solution

The fourth proportional to 13,489.16, 20,242.83 and 4,724.15 is: 7,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.16 : 20,242.83 = 4,724.15 : x
  2. Step 2: Convert to fraction form
    13,489.16/20,242.83 = 4,724.15/x
  3. Step 3: Cross multiply
    13,489.16x = 20,242.83 × 4,724.15
  4. Step 4: Simplify right side
    13,489.16x = 95,630,165.34
  5. Step 5: Solve for x
    x = 95,630,165.34/13,489.16
  6. Step 6: Final answer
    x = 7,089.41

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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.