Home / 9,788.18-13,497.75-8,376.57

Finding the Fourth Proportional to 9,788.18, 13,497.75 and 8,376.57

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Solution

The fourth proportional to 9,788.18, 13,497.75 and 8,376.57 is: 11,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.18 : 13,497.75 = 8,376.57 : x
  2. Step 2: Convert to fraction form
    9,788.18/13,497.75 = 8,376.57/x
  3. Step 3: Cross multiply
    9,788.18x = 13,497.75 × 8,376.57
  4. Step 4: Simplify right side
    9,788.18x = 113,064,847.72
  5. Step 5: Solve for x
    x = 113,064,847.72/9,788.18
  6. Step 6: Final answer
    x = 11,551.17

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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.