Home / 10,020.57-13,829.42-5,771.77

Finding the Fourth Proportional to 10,020.57, 13,829.42 and 5,771.77

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Solution

The fourth proportional to 10,020.57, 13,829.42 and 5,771.77 is: 7,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.57 : 13,829.42 = 5,771.77 : x
  2. Step 2: Convert to fraction form
    10,020.57/13,829.42 = 5,771.77/x
  3. Step 3: Cross multiply
    10,020.57x = 13,829.42 × 5,771.77
  4. Step 4: Simplify right side
    10,020.57x = 79,820,231.47
  5. Step 5: Solve for x
    x = 79,820,231.47/10,020.57
  6. Step 6: Final answer
    x = 7,965.64

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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.