Home / 12,802.28-19,187.01-9,874.44

Finding the Fourth Proportional to 12,802.28, 19,187.01 and 9,874.44

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Solution

The fourth proportional to 12,802.28, 19,187.01 and 9,874.44 is: 14,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.28 : 19,187.01 = 9,874.44 : x
  2. Step 2: Convert to fraction form
    12,802.28/19,187.01 = 9,874.44/x
  3. Step 3: Cross multiply
    12,802.28x = 19,187.01 × 9,874.44
  4. Step 4: Simplify right side
    12,802.28x = 189,460,979.02
  5. Step 5: Solve for x
    x = 189,460,979.02/12,802.28
  6. Step 6: Final answer
    x = 14,799.01

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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.