Home / 14,507.41-20,020.22-8,219.79

Finding the Fourth Proportional to 14,507.41, 20,020.22 and 8,219.79

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Solution

The fourth proportional to 14,507.41, 20,020.22 and 8,219.79 is: 11,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.41 : 20,020.22 = 8,219.79 : x
  2. Step 2: Convert to fraction form
    14,507.41/20,020.22 = 8,219.79/x
  3. Step 3: Cross multiply
    14,507.41x = 20,020.22 × 8,219.79
  4. Step 4: Simplify right side
    14,507.41x = 164,561,862.95
  5. Step 5: Solve for x
    x = 164,561,862.95/14,507.41
  6. Step 6: Final answer
    x = 11,343.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.