Home / 10,017.39-13,825.20-5,825.64

Finding the Fourth Proportional to 10,017.39, 13,825.20 and 5,825.64

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Solution

The fourth proportional to 10,017.39, 13,825.20 and 5,825.64 is: 8,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.39 : 13,825.20 = 5,825.64 : x
  2. Step 2: Convert to fraction form
    10,017.39/13,825.20 = 5,825.64/x
  3. Step 3: Cross multiply
    10,017.39x = 13,825.20 × 5,825.64
  4. Step 4: Simplify right side
    10,017.39x = 80,540,638.13
  5. Step 5: Solve for x
    x = 80,540,638.13/10,017.39
  6. Step 6: Final answer
    x = 8,040.08

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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.