Home / 14,224.88-21,350.53-7,209.84

Finding the Fourth Proportional to 14,224.88, 21,350.53 and 7,209.84

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Solution

The fourth proportional to 14,224.88, 21,350.53 and 7,209.84 is: 10,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.88 : 21,350.53 = 7,209.84 : x
  2. Step 2: Convert to fraction form
    14,224.88/21,350.53 = 7,209.84/x
  3. Step 3: Cross multiply
    14,224.88x = 21,350.53 × 7,209.84
  4. Step 4: Simplify right side
    14,224.88x = 153,933,905.22
  5. Step 5: Solve for x
    x = 153,933,905.22/14,224.88
  6. Step 6: Final answer
    x = 10,821.46

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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.