Home / 15,065.64-20,790.26-8,351.22

Finding the Fourth Proportional to 15,065.64, 20,790.26 and 8,351.22

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Solution

The fourth proportional to 15,065.64, 20,790.26 and 8,351.22 is: 11,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.64 : 20,790.26 = 8,351.22 : x
  2. Step 2: Convert to fraction form
    15,065.64/20,790.26 = 8,351.22/x
  3. Step 3: Cross multiply
    15,065.64x = 20,790.26 × 8,351.22
  4. Step 4: Simplify right side
    15,065.64x = 173,624,035.12
  5. Step 5: Solve for x
    x = 173,624,035.12/15,065.64
  6. Step 6: Final answer
    x = 11,524.50

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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.