Home / 13,065.96-18,021.83-8,032.94

Finding the Fourth Proportional to 13,065.96, 18,021.83 and 8,032.94

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Solution

The fourth proportional to 13,065.96, 18,021.83 and 8,032.94 is: 11,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.96 : 18,021.83 = 8,032.94 : x
  2. Step 2: Convert to fraction form
    13,065.96/18,021.83 = 8,032.94/x
  3. Step 3: Cross multiply
    13,065.96x = 18,021.83 × 8,032.94
  4. Step 4: Simplify right side
    13,065.96x = 144,768,216.39
  5. Step 5: Solve for x
    x = 144,768,216.39/13,065.96
  6. Step 6: Final answer
    x = 11,079.80

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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.