Home / 19,708.99-29,554.59-5,665.81

Finding the Fourth Proportional to 19,708.99, 29,554.59 and 5,665.81

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Solution

The fourth proportional to 19,708.99, 29,554.59 and 5,665.81 is: 8,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.99 : 29,554.59 = 5,665.81 : x
  2. Step 2: Convert to fraction form
    19,708.99/29,554.59 = 5,665.81/x
  3. Step 3: Cross multiply
    19,708.99x = 29,554.59 × 5,665.81
  4. Step 4: Simplify right side
    19,708.99x = 167,450,691.57
  5. Step 5: Solve for x
    x = 167,450,691.57/19,708.99
  6. Step 6: Final answer
    x = 8,496.16

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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.