Home / 14,945.38-20,626.60-9,655.58

Finding the Fourth Proportional to 14,945.38, 20,626.60 and 9,655.58

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Solution

The fourth proportional to 14,945.38, 20,626.60 and 9,655.58 is: 13,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.38 : 20,626.60 = 9,655.58 : x
  2. Step 2: Convert to fraction form
    14,945.38/20,626.60 = 9,655.58/x
  3. Step 3: Cross multiply
    14,945.38x = 20,626.60 × 9,655.58
  4. Step 4: Simplify right side
    14,945.38x = 199,161,786.43
  5. Step 5: Solve for x
    x = 199,161,786.43/14,945.38
  6. Step 6: Final answer
    x = 13,325.98

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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.