Home / 18,139.63-25,031.38-10,183.03

Finding the Fourth Proportional to 18,139.63, 25,031.38 and 10,183.03

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Solution

The fourth proportional to 18,139.63, 25,031.38 and 10,183.03 is: 14,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.63 : 25,031.38 = 10,183.03 : x
  2. Step 2: Convert to fraction form
    18,139.63/25,031.38 = 10,183.03/x
  3. Step 3: Cross multiply
    18,139.63x = 25,031.38 × 10,183.03
  4. Step 4: Simplify right side
    18,139.63x = 254,895,293.48
  5. Step 5: Solve for x
    x = 254,895,293.48/18,139.63
  6. Step 6: Final answer
    x = 14,051.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.