Home / 13,337.82-20,008.53-4,903.20

Finding the Fourth Proportional to 13,337.82, 20,008.53 and 4,903.20

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Solution

The fourth proportional to 13,337.82, 20,008.53 and 4,903.20 is: 7,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.82 : 20,008.53 = 4,903.20 : x
  2. Step 2: Convert to fraction form
    13,337.82/20,008.53 = 4,903.20/x
  3. Step 3: Cross multiply
    13,337.82x = 20,008.53 × 4,903.20
  4. Step 4: Simplify right side
    13,337.82x = 98,105,824.30
  5. Step 5: Solve for x
    x = 98,105,824.30/13,337.82
  6. Step 6: Final answer
    x = 7,355.46

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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.