Home / 9,919.54-13,689.57-6,556.52

Finding the Fourth Proportional to 9,919.54, 13,689.57 and 6,556.52

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Solution

The fourth proportional to 9,919.54, 13,689.57 and 6,556.52 is: 9,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.54 : 13,689.57 = 6,556.52 : x
  2. Step 2: Convert to fraction form
    9,919.54/13,689.57 = 6,556.52/x
  3. Step 3: Cross multiply
    9,919.54x = 13,689.57 × 6,556.52
  4. Step 4: Simplify right side
    9,919.54x = 89,755,872.49
  5. Step 5: Solve for x
    x = 89,755,872.49/9,919.54
  6. Step 6: Final answer
    x = 9,048.40

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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.