Home / 9,880.36-13,634.50-5,689.32

Finding the Fourth Proportional to 9,880.36, 13,634.50 and 5,689.32

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Solution

The fourth proportional to 9,880.36, 13,634.50 and 5,689.32 is: 7,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.36 : 13,634.50 = 5,689.32 : x
  2. Step 2: Convert to fraction form
    9,880.36/13,634.50 = 5,689.32/x
  3. Step 3: Cross multiply
    9,880.36x = 13,634.50 × 5,689.32
  4. Step 4: Simplify right side
    9,880.36x = 77,571,033.54
  5. Step 5: Solve for x
    x = 77,571,033.54/9,880.36
  6. Step 6: Final answer
    x = 7,851.03

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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.