Home / 11,145.83-16,720.37-5,948.87

Finding the Fourth Proportional to 11,145.83, 16,720.37 and 5,948.87

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Solution

The fourth proportional to 11,145.83, 16,720.37 and 5,948.87 is: 8,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.83 : 16,720.37 = 5,948.87 : x
  2. Step 2: Convert to fraction form
    11,145.83/16,720.37 = 5,948.87/x
  3. Step 3: Cross multiply
    11,145.83x = 16,720.37 × 5,948.87
  4. Step 4: Simplify right side
    11,145.83x = 99,467,277.74
  5. Step 5: Solve for x
    x = 99,467,277.74/11,145.83
  6. Step 6: Final answer
    x = 8,924.17

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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.