Home / 9,690.36-13,364.82-6,504.28

Finding the Fourth Proportional to 9,690.36, 13,364.82 and 6,504.28

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Solution

The fourth proportional to 9,690.36, 13,364.82 and 6,504.28 is: 8,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.36 : 13,364.82 = 6,504.28 : x
  2. Step 2: Convert to fraction form
    9,690.36/13,364.82 = 6,504.28/x
  3. Step 3: Cross multiply
    9,690.36x = 13,364.82 × 6,504.28
  4. Step 4: Simplify right side
    9,690.36x = 86,928,531.43
  5. Step 5: Solve for x
    x = 86,928,531.43/9,690.36
  6. Step 6: Final answer
    x = 8,970.62

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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.