Home / 43,186.12-64,785.62-13,600.84

Finding the Fourth Proportional to 43,186.12, 64,785.62 and 13,600.84

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Solution

The fourth proportional to 43,186.12, 64,785.62 and 13,600.84 is: 20,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.12 : 64,785.62 = 13,600.84 : x
  2. Step 2: Convert to fraction form
    43,186.12/64,785.62 = 13,600.84/x
  3. Step 3: Cross multiply
    43,186.12x = 64,785.62 × 13,600.84
  4. Step 4: Simplify right side
    43,186.12x = 881,138,851.92
  5. Step 5: Solve for x
    x = 881,138,851.92/43,186.12
  6. Step 6: Final answer
    x = 20,403.29

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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.