Home / 35,665.68-53,465.76-12,286.56

Finding the Fourth Proportional to 35,665.68, 53,465.76 and 12,286.56

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Solution

The fourth proportional to 35,665.68, 53,465.76 and 12,286.56 is: 18,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.68 : 53,465.76 = 12,286.56 : x
  2. Step 2: Convert to fraction form
    35,665.68/53,465.76 = 12,286.56/x
  3. Step 3: Cross multiply
    35,665.68x = 53,465.76 × 12,286.56
  4. Step 4: Simplify right side
    35,665.68x = 656,910,268.19
  5. Step 5: Solve for x
    x = 656,910,268.19/35,665.68
  6. Step 6: Final answer
    x = 18,418.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.