Home / 19,802.93-29,704.41-8,124.35

Finding the Fourth Proportional to 19,802.93, 29,704.41 and 8,124.35

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Solution

The fourth proportional to 19,802.93, 29,704.41 and 8,124.35 is: 12,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.93 : 29,704.41 = 8,124.35 : x
  2. Step 2: Convert to fraction form
    19,802.93/29,704.41 = 8,124.35/x
  3. Step 3: Cross multiply
    19,802.93x = 29,704.41 × 8,124.35
  4. Step 4: Simplify right side
    19,802.93x = 241,329,097.64
  5. Step 5: Solve for x
    x = 241,329,097.64/19,802.93
  6. Step 6: Final answer
    x = 12,186.53

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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.