Home / 14,790.92-20,406.24-9,488.60

Finding the Fourth Proportional to 14,790.92, 20,406.24 and 9,488.60

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Solution

The fourth proportional to 14,790.92, 20,406.24 and 9,488.60 is: 13,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.92 : 20,406.24 = 9,488.60 : x
  2. Step 2: Convert to fraction form
    14,790.92/20,406.24 = 9,488.60/x
  3. Step 3: Cross multiply
    14,790.92x = 20,406.24 × 9,488.60
  4. Step 4: Simplify right side
    14,790.92x = 193,626,648.86
  5. Step 5: Solve for x
    x = 193,626,648.86/14,790.92
  6. Step 6: Final answer
    x = 13,090.91

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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.