Home / 10,858.80-16,287.90-3,463.70

Finding the Fourth Proportional to 10,858.80, 16,287.90 and 3,463.70

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Solution

The fourth proportional to 10,858.80, 16,287.90 and 3,463.70 is: 5,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.80 : 16,287.90 = 3,463.70 : x
  2. Step 2: Convert to fraction form
    10,858.80/16,287.90 = 3,463.70/x
  3. Step 3: Cross multiply
    10,858.80x = 16,287.90 × 3,463.70
  4. Step 4: Simplify right side
    10,858.80x = 56,416,399.23
  5. Step 5: Solve for x
    x = 56,416,399.23/10,858.80
  6. Step 6: Final answer
    x = 5,195.45

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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.