Home / 10,237.17-15,349.52-3,989.87

Finding the Fourth Proportional to 10,237.17, 15,349.52 and 3,989.87

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Solution

The fourth proportional to 10,237.17, 15,349.52 and 3,989.87 is: 5,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.17 : 15,349.52 = 3,989.87 : x
  2. Step 2: Convert to fraction form
    10,237.17/15,349.52 = 3,989.87/x
  3. Step 3: Cross multiply
    10,237.17x = 15,349.52 × 3,989.87
  4. Step 4: Simplify right side
    10,237.17x = 61,242,492.67
  5. Step 5: Solve for x
    x = 61,242,492.67/10,237.17
  6. Step 6: Final answer
    x = 5,982.37

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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.