Home / 10,022.40-13,830.96-5,830.80

Finding the Fourth Proportional to 10,022.40, 13,830.96 and 5,830.80

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Solution

The fourth proportional to 10,022.40, 13,830.96 and 5,830.80 is: 8,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.40 : 13,830.96 = 5,830.80 : x
  2. Step 2: Convert to fraction form
    10,022.40/13,830.96 = 5,830.80/x
  3. Step 3: Cross multiply
    10,022.40x = 13,830.96 × 5,830.80
  4. Step 4: Simplify right side
    10,022.40x = 80,645,561.57
  5. Step 5: Solve for x
    x = 80,645,561.57/10,022.40
  6. Step 6: Final answer
    x = 8,046.53

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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.