Home / 15,111.83-22,678.08-5,251.03

Finding the Fourth Proportional to 15,111.83, 22,678.08 and 5,251.03

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Solution

The fourth proportional to 15,111.83, 22,678.08 and 5,251.03 is: 7,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.83 : 22,678.08 = 5,251.03 : x
  2. Step 2: Convert to fraction form
    15,111.83/22,678.08 = 5,251.03/x
  3. Step 3: Cross multiply
    15,111.83x = 22,678.08 × 5,251.03
  4. Step 4: Simplify right side
    15,111.83x = 119,083,202.04
  5. Step 5: Solve for x
    x = 119,083,202.04/15,111.83
  6. Step 6: Final answer
    x = 7,880.13

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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.