Home / 19,155.42-28,739.00-9,802.09

Finding the Fourth Proportional to 19,155.42, 28,739.00 and 9,802.09

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Solution

The fourth proportional to 19,155.42, 28,739.00 and 9,802.09 is: 14,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.42 : 28,739.00 = 9,802.09 : x
  2. Step 2: Convert to fraction form
    19,155.42/28,739.00 = 9,802.09/x
  3. Step 3: Cross multiply
    19,155.42x = 28,739.00 × 9,802.09
  4. Step 4: Simplify right side
    19,155.42x = 281,702,244.11
  5. Step 5: Solve for x
    x = 281,702,244.11/19,155.42
  6. Step 6: Final answer
    x = 14,706.14

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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.