Home / 13,110.29-19,665.44-4,790.51

Finding the Fourth Proportional to 13,110.29, 19,665.44 and 4,790.51

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Solution

The fourth proportional to 13,110.29, 19,665.44 and 4,790.51 is: 7,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.29 : 19,665.44 = 4,790.51 : x
  2. Step 2: Convert to fraction form
    13,110.29/19,665.44 = 4,790.51/x
  3. Step 3: Cross multiply
    13,110.29x = 19,665.44 × 4,790.51
  4. Step 4: Simplify right side
    13,110.29x = 94,207,463.02
  5. Step 5: Solve for x
    x = 94,207,463.02/13,110.29
  6. Step 6: Final answer
    x = 7,185.77

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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.