Home / 10,020.39-13,829.34-5,828.64

Finding the Fourth Proportional to 10,020.39, 13,829.34 and 5,828.64

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Solution

The fourth proportional to 10,020.39, 13,829.34 and 5,828.64 is: 8,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.39 : 13,829.34 = 5,828.64 : x
  2. Step 2: Convert to fraction form
    10,020.39/13,829.34 = 5,828.64/x
  3. Step 3: Cross multiply
    10,020.39x = 13,829.34 × 5,828.64
  4. Step 4: Simplify right side
    10,020.39x = 80,606,244.30
  5. Step 5: Solve for x
    x = 80,606,244.30/10,020.39
  6. Step 6: Final answer
    x = 8,044.22

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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.