Home / 9,689.32-13,367.82-6,334.07

Finding the Fourth Proportional to 9,689.32, 13,367.82 and 6,334.07

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Solution

The fourth proportional to 9,689.32, 13,367.82 and 6,334.07 is: 8,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.32 : 13,367.82 = 6,334.07 : x
  2. Step 2: Convert to fraction form
    9,689.32/13,367.82 = 6,334.07/x
  3. Step 3: Cross multiply
    9,689.32x = 13,367.82 × 6,334.07
  4. Step 4: Simplify right side
    9,689.32x = 84,672,707.63
  5. Step 5: Solve for x
    x = 84,672,707.63/9,689.32
  6. Step 6: Final answer
    x = 8,738.77

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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.