Home / 10,080.96-13,911.40-5,604.64

Finding the Fourth Proportional to 10,080.96, 13,911.40 and 5,604.64

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Solution

The fourth proportional to 10,080.96, 13,911.40 and 5,604.64 is: 7,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.96 : 13,911.40 = 5,604.64 : x
  2. Step 2: Convert to fraction form
    10,080.96/13,911.40 = 5,604.64/x
  3. Step 3: Cross multiply
    10,080.96x = 13,911.40 × 5,604.64
  4. Step 4: Simplify right side
    10,080.96x = 77,968,388.90
  5. Step 5: Solve for x
    x = 77,968,388.90/10,080.96
  6. Step 6: Final answer
    x = 7,734.22

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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.