Home / 9,820.38-13,552.50-5,629.44

Finding the Fourth Proportional to 9,820.38, 13,552.50 and 5,629.44

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Solution

The fourth proportional to 9,820.38, 13,552.50 and 5,629.44 is: 7,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.38 : 13,552.50 = 5,629.44 : x
  2. Step 2: Convert to fraction form
    9,820.38/13,552.50 = 5,629.44/x
  3. Step 3: Cross multiply
    9,820.38x = 13,552.50 × 5,629.44
  4. Step 4: Simplify right side
    9,820.38x = 76,292,985.60
  5. Step 5: Solve for x
    x = 76,292,985.60/9,820.38
  6. Step 6: Final answer
    x = 7,768.84

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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.