Home / 11,065.71-16,588.26-4,821.78

Finding the Fourth Proportional to 11,065.71, 16,588.26 and 4,821.78

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Solution

The fourth proportional to 11,065.71, 16,588.26 and 4,821.78 is: 7,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.71 : 16,588.26 = 4,821.78 : x
  2. Step 2: Convert to fraction form
    11,065.71/16,588.26 = 4,821.78/x
  3. Step 3: Cross multiply
    11,065.71x = 16,588.26 × 4,821.78
  4. Step 4: Simplify right side
    11,065.71x = 79,984,940.30
  5. Step 5: Solve for x
    x = 79,984,940.30/11,065.71
  6. Step 6: Final answer
    x = 7,228.18

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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.