Home / 9,307.85-13,960.31-7,736.66

Finding the Fourth Proportional to 9,307.85, 13,960.31 and 7,736.66

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Solution

The fourth proportional to 9,307.85, 13,960.31 and 7,736.66 is: 11,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.85 : 13,960.31 = 7,736.66 : x
  2. Step 2: Convert to fraction form
    9,307.85/13,960.31 = 7,736.66/x
  3. Step 3: Cross multiply
    9,307.85x = 13,960.31 × 7,736.66
  4. Step 4: Simplify right side
    9,307.85x = 108,006,063.48
  5. Step 5: Solve for x
    x = 108,006,063.48/9,307.85
  6. Step 6: Final answer
    x = 11,603.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.