Home / 10,290.36-14,199.42-5,813.90

Finding the Fourth Proportional to 10,290.36, 14,199.42 and 5,813.90

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Solution

The fourth proportional to 10,290.36, 14,199.42 and 5,813.90 is: 8,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.36 : 14,199.42 = 5,813.90 : x
  2. Step 2: Convert to fraction form
    10,290.36/14,199.42 = 5,813.90/x
  3. Step 3: Cross multiply
    10,290.36x = 14,199.42 × 5,813.90
  4. Step 4: Simplify right side
    10,290.36x = 82,554,007.94
  5. Step 5: Solve for x
    x = 82,554,007.94/10,290.36
  6. Step 6: Final answer
    x = 8,022.46

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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.