Home / 19,680.49-29,513.07-6,529.33

Finding the Fourth Proportional to 19,680.49, 29,513.07 and 6,529.33

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Solution

The fourth proportional to 19,680.49, 29,513.07 and 6,529.33 is: 9,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.49 : 29,513.07 = 6,529.33 : x
  2. Step 2: Convert to fraction form
    19,680.49/29,513.07 = 6,529.33/x
  3. Step 3: Cross multiply
    19,680.49x = 29,513.07 × 6,529.33
  4. Step 4: Simplify right side
    19,680.49x = 192,700,573.34
  5. Step 5: Solve for x
    x = 192,700,573.34/19,680.49
  6. Step 6: Final answer
    x = 9,791.45

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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.