Home / 10,817.10-16,225.74-3,891.60

Finding the Fourth Proportional to 10,817.10, 16,225.74 and 3,891.60

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Solution

The fourth proportional to 10,817.10, 16,225.74 and 3,891.60 is: 5,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.10 : 16,225.74 = 3,891.60 : x
  2. Step 2: Convert to fraction form
    10,817.10/16,225.74 = 3,891.60/x
  3. Step 3: Cross multiply
    10,817.10x = 16,225.74 × 3,891.60
  4. Step 4: Simplify right side
    10,817.10x = 63,144,089.78
  5. Step 5: Solve for x
    x = 63,144,089.78/10,817.10
  6. Step 6: Final answer
    x = 5,837.43

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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.