Home / 9,919.29-13,689.22-6,556.27

Finding the Fourth Proportional to 9,919.29, 13,689.22 and 6,556.27

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Solution

The fourth proportional to 9,919.29, 13,689.22 and 6,556.27 is: 9,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.29 : 13,689.22 = 6,556.27 : x
  2. Step 2: Convert to fraction form
    9,919.29/13,689.22 = 6,556.27/x
  3. Step 3: Cross multiply
    9,919.29x = 13,689.22 × 6,556.27
  4. Step 4: Simplify right side
    9,919.29x = 89,750,171.26
  5. Step 5: Solve for x
    x = 89,750,171.26/9,919.29
  6. Step 6: Final answer
    x = 9,048.05

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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.