Home / 10,080.81-13,911.75-5,604.75

Finding the Fourth Proportional to 10,080.81, 13,911.75 and 5,604.75

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Solution

The fourth proportional to 10,080.81, 13,911.75 and 5,604.75 is: 7,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.81 : 13,911.75 = 5,604.75 : x
  2. Step 2: Convert to fraction form
    10,080.81/13,911.75 = 5,604.75/x
  3. Step 3: Cross multiply
    10,080.81x = 13,911.75 × 5,604.75
  4. Step 4: Simplify right side
    10,080.81x = 77,971,880.81
  5. Step 5: Solve for x
    x = 77,971,880.81/10,080.81
  6. Step 6: Final answer
    x = 7,734.68

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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.