Home / 14,627.01-21,912.96-7,222.80

Finding the Fourth Proportional to 14,627.01, 21,912.96 and 7,222.80

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Solution

The fourth proportional to 14,627.01, 21,912.96 and 7,222.80 is: 10,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.01 : 21,912.96 = 7,222.80 : x
  2. Step 2: Convert to fraction form
    14,627.01/21,912.96 = 7,222.80/x
  3. Step 3: Cross multiply
    14,627.01x = 21,912.96 × 7,222.80
  4. Step 4: Simplify right side
    14,627.01x = 158,272,927.49
  5. Step 5: Solve for x
    x = 158,272,927.49/14,627.01
  6. Step 6: Final answer
    x = 10,820.59

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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.