Home / 18,761.05-25,889.16-10,261.59

Finding the Fourth Proportional to 18,761.05, 25,889.16 and 10,261.59

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Solution

The fourth proportional to 18,761.05, 25,889.16 and 10,261.59 is: 14,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.05 : 25,889.16 = 10,261.59 : x
  2. Step 2: Convert to fraction form
    18,761.05/25,889.16 = 10,261.59/x
  3. Step 3: Cross multiply
    18,761.05x = 25,889.16 × 10,261.59
  4. Step 4: Simplify right side
    18,761.05x = 265,663,945.36
  5. Step 5: Solve for x
    x = 265,663,945.36/18,761.05
  6. Step 6: Final answer
    x = 14,160.40

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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.