Home / 11,328.26-15,634.47-7,080.69

Finding the Fourth Proportional to 11,328.26, 15,634.47 and 7,080.69

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Solution

The fourth proportional to 11,328.26, 15,634.47 and 7,080.69 is: 9,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.26 : 15,634.47 = 7,080.69 : x
  2. Step 2: Convert to fraction form
    11,328.26/15,634.47 = 7,080.69/x
  3. Step 3: Cross multiply
    11,328.26x = 15,634.47 × 7,080.69
  4. Step 4: Simplify right side
    11,328.26x = 110,702,836.77
  5. Step 5: Solve for x
    x = 110,702,836.77/11,328.26
  6. Step 6: Final answer
    x = 9,772.28

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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.