Home / 10,021.39-13,830.72-5,829.64

Finding the Fourth Proportional to 10,021.39, 13,830.72 and 5,829.64

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Solution

The fourth proportional to 10,021.39, 13,830.72 and 5,829.64 is: 8,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.39 : 13,830.72 = 5,829.64 : x
  2. Step 2: Convert to fraction form
    10,021.39/13,830.72 = 5,829.64/x
  3. Step 3: Cross multiply
    10,021.39x = 13,830.72 × 5,829.64
  4. Step 4: Simplify right side
    10,021.39x = 80,628,118.54
  5. Step 5: Solve for x
    x = 80,628,118.54/10,021.39
  6. Step 6: Final answer
    x = 8,045.60

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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.