Home / 15,081.76-22,621.20-4,693.36

Finding the Fourth Proportional to 15,081.76, 22,621.20 and 4,693.36

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Solution

The fourth proportional to 15,081.76, 22,621.20 and 4,693.36 is: 7,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.76 : 22,621.20 = 4,693.36 : x
  2. Step 2: Convert to fraction form
    15,081.76/22,621.20 = 4,693.36/x
  3. Step 3: Cross multiply
    15,081.76x = 22,621.20 × 4,693.36
  4. Step 4: Simplify right side
    15,081.76x = 106,169,435.23
  5. Step 5: Solve for x
    x = 106,169,435.23/15,081.76
  6. Step 6: Final answer
    x = 7,039.59

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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.