Home / 14,100.48-21,150.88-3,713.28

Finding the Fourth Proportional to 14,100.48, 21,150.88 and 3,713.28

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Solution

The fourth proportional to 14,100.48, 21,150.88 and 3,713.28 is: 5,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.48 : 21,150.88 = 3,713.28 : x
  2. Step 2: Convert to fraction form
    14,100.48/21,150.88 = 3,713.28/x
  3. Step 3: Cross multiply
    14,100.48x = 21,150.88 × 3,713.28
  4. Step 4: Simplify right side
    14,100.48x = 78,539,139.69
  5. Step 5: Solve for x
    x = 78,539,139.69/14,100.48
  6. Step 6: Final answer
    x = 5,569.96

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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.