Home / 10,464.12-15,699.83-3,892.19

Finding the Fourth Proportional to 10,464.12, 15,699.83 and 3,892.19

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Solution

The fourth proportional to 10,464.12, 15,699.83 and 3,892.19 is: 5,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.12 : 15,699.83 = 3,892.19 : x
  2. Step 2: Convert to fraction form
    10,464.12/15,699.83 = 3,892.19/x
  3. Step 3: Cross multiply
    10,464.12x = 15,699.83 × 3,892.19
  4. Step 4: Simplify right side
    10,464.12x = 61,106,623.37
  5. Step 5: Solve for x
    x = 61,106,623.37/10,464.12
  6. Step 6: Final answer
    x = 5,839.63

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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.