Home / 13,989.04-20,933.24-10,282

Finding the Fourth Proportional to 13,989.04, 20,933.24 and 10,282

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Solution

The fourth proportional to 13,989.04, 20,933.24 and 10,282 is: 15,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.04 : 20,933.24 = 10,282 : x
  2. Step 2: Convert to fraction form
    13,989.04/20,933.24 = 10,282/x
  3. Step 3: Cross multiply
    13,989.04x = 20,933.24 × 10,282
  4. Step 4: Simplify right side
    13,989.04x = 215,235,573.68
  5. Step 5: Solve for x
    x = 215,235,573.68/13,989.04
  6. Step 6: Final answer
    x = 15,386.01

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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.