Home / 17,719.75-26,579.64-5,407.75

Finding the Fourth Proportional to 17,719.75, 26,579.64 and 5,407.75

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Solution

The fourth proportional to 17,719.75, 26,579.64 and 5,407.75 is: 8,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.75 : 26,579.64 = 5,407.75 : x
  2. Step 2: Convert to fraction form
    17,719.75/26,579.64 = 5,407.75/x
  3. Step 3: Cross multiply
    17,719.75x = 26,579.64 × 5,407.75
  4. Step 4: Simplify right side
    17,719.75x = 143,736,048.21
  5. Step 5: Solve for x
    x = 143,736,048.21/17,719.75
  6. Step 6: Final answer
    x = 8,111.63

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Similar ratio
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1.5x scale

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.