Home / 14,938.58-20,614.44-8,222.90

Finding the Fourth Proportional to 14,938.58, 20,614.44 and 8,222.90

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Solution

The fourth proportional to 14,938.58, 20,614.44 and 8,222.90 is: 11,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.58 : 20,614.44 = 8,222.90 : x
  2. Step 2: Convert to fraction form
    14,938.58/20,614.44 = 8,222.90/x
  3. Step 3: Cross multiply
    14,938.58x = 20,614.44 × 8,222.90
  4. Step 4: Simplify right side
    14,938.58x = 169,510,478.68
  5. Step 5: Solve for x
    x = 169,510,478.68/14,938.58
  6. Step 6: Final answer
    x = 11,347.16

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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.