Home / 18,618.68-25,695.34-10,236.76

Finding the Fourth Proportional to 18,618.68, 25,695.34 and 10,236.76

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Solution

The fourth proportional to 18,618.68, 25,695.34 and 10,236.76 is: 14,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.68 : 25,695.34 = 10,236.76 : x
  2. Step 2: Convert to fraction form
    18,618.68/25,695.34 = 10,236.76/x
  3. Step 3: Cross multiply
    18,618.68x = 25,695.34 × 10,236.76
  4. Step 4: Simplify right side
    18,618.68x = 263,037,028.70
  5. Step 5: Solve for x
    x = 263,037,028.70/18,618.68
  6. Step 6: Final answer
    x = 14,127.59

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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.