Home / 12,313.29-18,473.87-4,410.47

Finding the Fourth Proportional to 12,313.29, 18,473.87 and 4,410.47

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Solution

The fourth proportional to 12,313.29, 18,473.87 and 4,410.47 is: 6,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.29 : 18,473.87 = 4,410.47 : x
  2. Step 2: Convert to fraction form
    12,313.29/18,473.87 = 4,410.47/x
  3. Step 3: Cross multiply
    12,313.29x = 18,473.87 × 4,410.47
  4. Step 4: Simplify right side
    12,313.29x = 81,478,335.00
  5. Step 5: Solve for x
    x = 81,478,335.00/12,313.29
  6. Step 6: Final answer
    x = 6,617.11

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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.