Home / 14,125.19-21,161.96-6,614.97

Finding the Fourth Proportional to 14,125.19, 21,161.96 and 6,614.97

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Solution

The fourth proportional to 14,125.19, 21,161.96 and 6,614.97 is: 9,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.19 : 21,161.96 = 6,614.97 : x
  2. Step 2: Convert to fraction form
    14,125.19/21,161.96 = 6,614.97/x
  3. Step 3: Cross multiply
    14,125.19x = 21,161.96 × 6,614.97
  4. Step 4: Simplify right side
    14,125.19x = 139,985,697.47
  5. Step 5: Solve for x
    x = 139,985,697.47/14,125.19
  6. Step 6: Final answer
    x = 9,910.36

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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.