Home / 18,212.28-25,135.34-10,256.06

Finding the Fourth Proportional to 18,212.28, 25,135.34 and 10,256.06

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Solution

The fourth proportional to 18,212.28, 25,135.34 and 10,256.06 is: 14,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.28 : 25,135.34 = 10,256.06 : x
  2. Step 2: Convert to fraction form
    18,212.28/25,135.34 = 10,256.06/x
  3. Step 3: Cross multiply
    18,212.28x = 25,135.34 × 10,256.06
  4. Step 4: Simplify right side
    18,212.28x = 257,789,555.16
  5. Step 5: Solve for x
    x = 257,789,555.16/18,212.28
  6. Step 6: Final answer
    x = 14,154.71

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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.