Home / 9,289.40-13,921.94-8,051.72

Finding the Fourth Proportional to 9,289.40, 13,921.94 and 8,051.72

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Solution

The fourth proportional to 9,289.40, 13,921.94 and 8,051.72 is: 12,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.40 : 13,921.94 = 8,051.72 : x
  2. Step 2: Convert to fraction form
    9,289.40/13,921.94 = 8,051.72/x
  3. Step 3: Cross multiply
    9,289.40x = 13,921.94 × 8,051.72
  4. Step 4: Simplify right side
    9,289.40x = 112,095,513.26
  5. Step 5: Solve for x
    x = 112,095,513.26/9,289.40
  6. Step 6: Final answer
    x = 12,067.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.