Home / 9,689.89-13,376.11-6,550.33

Finding the Fourth Proportional to 9,689.89, 13,376.11 and 6,550.33

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Solution

The fourth proportional to 9,689.89, 13,376.11 and 6,550.33 is: 9,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.89 : 13,376.11 = 6,550.33 : x
  2. Step 2: Convert to fraction form
    9,689.89/13,376.11 = 6,550.33/x
  3. Step 3: Cross multiply
    9,689.89x = 13,376.11 × 6,550.33
  4. Step 4: Simplify right side
    9,689.89x = 87,617,834.98
  5. Step 5: Solve for x
    x = 87,617,834.98/9,689.89
  6. Step 6: Final answer
    x = 9,042.20

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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.