Home / 14,638.09-20,200.53-8,266.03

Finding the Fourth Proportional to 14,638.09, 20,200.53 and 8,266.03

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Solution

The fourth proportional to 14,638.09, 20,200.53 and 8,266.03 is: 11,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.09 : 20,200.53 = 8,266.03 : x
  2. Step 2: Convert to fraction form
    14,638.09/20,200.53 = 8,266.03/x
  3. Step 3: Cross multiply
    14,638.09x = 20,200.53 × 8,266.03
  4. Step 4: Simplify right side
    14,638.09x = 166,978,187.00
  5. Step 5: Solve for x
    x = 166,978,187.00/14,638.09
  6. Step 6: Final answer
    x = 11,407.10

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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.