Home / 14,149.99-21,214.92-6,649.36

Finding the Fourth Proportional to 14,149.99, 21,214.92 and 6,649.36

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Solution

The fourth proportional to 14,149.99, 21,214.92 and 6,649.36 is: 9,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.99 : 21,214.92 = 6,649.36 : x
  2. Step 2: Convert to fraction form
    14,149.99/21,214.92 = 6,649.36/x
  3. Step 3: Cross multiply
    14,149.99x = 21,214.92 × 6,649.36
  4. Step 4: Simplify right side
    14,149.99x = 141,065,640.45
  5. Step 5: Solve for x
    x = 141,065,640.45/14,149.99
  6. Step 6: Final answer
    x = 9,969.31

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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.