Home / 14,093.18-21,139.91-5,771.03

Finding the Fourth Proportional to 14,093.18, 21,139.91 and 5,771.03

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Solution

The fourth proportional to 14,093.18, 21,139.91 and 5,771.03 is: 8,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.18 : 21,139.91 = 5,771.03 : x
  2. Step 2: Convert to fraction form
    14,093.18/21,139.91 = 5,771.03/x
  3. Step 3: Cross multiply
    14,093.18x = 21,139.91 × 5,771.03
  4. Step 4: Simplify right side
    14,093.18x = 121,998,920.25
  5. Step 5: Solve for x
    x = 121,998,920.25/14,093.18
  6. Step 6: Final answer
    x = 8,656.60

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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.