Home / 9,880.30-13,634.33-5,631.54

Finding the Fourth Proportional to 9,880.30, 13,634.33 and 5,631.54

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Solution

The fourth proportional to 9,880.30, 13,634.33 and 5,631.54 is: 7,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.30 : 13,634.33 = 5,631.54 : x
  2. Step 2: Convert to fraction form
    9,880.30/13,634.33 = 5,631.54/x
  3. Step 3: Cross multiply
    9,880.30x = 13,634.33 × 5,631.54
  4. Step 4: Simplify right side
    9,880.30x = 76,782,274.77
  5. Step 5: Solve for x
    x = 76,782,274.77/9,880.30
  6. Step 6: Final answer
    x = 7,771.25

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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.