Home / 18,145.56-25,037.70-10,188.12

Finding the Fourth Proportional to 18,145.56, 25,037.70 and 10,188.12

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Solution

The fourth proportional to 18,145.56, 25,037.70 and 10,188.12 is: 14,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.56 : 25,037.70 = 10,188.12 : x
  2. Step 2: Convert to fraction form
    18,145.56/25,037.70 = 10,188.12/x
  3. Step 3: Cross multiply
    18,145.56x = 25,037.70 × 10,188.12
  4. Step 4: Simplify right side
    18,145.56x = 255,087,092.12
  5. Step 5: Solve for x
    x = 255,087,092.12/18,145.56
  6. Step 6: Final answer
    x = 14,057.82

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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.