Home / 18,333.87-27,510.38-10,012.34

Finding the Fourth Proportional to 18,333.87, 27,510.38 and 10,012.34

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Solution

The fourth proportional to 18,333.87, 27,510.38 and 10,012.34 is: 15,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.87 : 27,510.38 = 10,012.34 : x
  2. Step 2: Convert to fraction form
    18,333.87/27,510.38 = 10,012.34/x
  3. Step 3: Cross multiply
    18,333.87x = 27,510.38 × 10,012.34
  4. Step 4: Simplify right side
    18,333.87x = 275,443,090.48
  5. Step 5: Solve for x
    x = 275,443,090.48/18,333.87
  6. Step 6: Final answer
    x = 15,023.73

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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.