Home / 11,159.64-16,719.06-5,225.64

Finding the Fourth Proportional to 11,159.64, 16,719.06 and 5,225.64

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Solution

The fourth proportional to 11,159.64, 16,719.06 and 5,225.64 is: 7,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.64 : 16,719.06 = 5,225.64 : x
  2. Step 2: Convert to fraction form
    11,159.64/16,719.06 = 5,225.64/x
  3. Step 3: Cross multiply
    11,159.64x = 16,719.06 × 5,225.64
  4. Step 4: Simplify right side
    11,159.64x = 87,367,788.70
  5. Step 5: Solve for x
    x = 87,367,788.70/11,159.64
  6. Step 6: Final answer
    x = 7,828.91

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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.