Home / 11,362.75-15,680.60-6,647.95

Finding the Fourth Proportional to 11,362.75, 15,680.60 and 6,647.95

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Solution

The fourth proportional to 11,362.75, 15,680.60 and 6,647.95 is: 9,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.75 : 15,680.60 = 6,647.95 : x
  2. Step 2: Convert to fraction form
    11,362.75/15,680.60 = 6,647.95/x
  3. Step 3: Cross multiply
    11,362.75x = 15,680.60 × 6,647.95
  4. Step 4: Simplify right side
    11,362.75x = 104,243,844.77
  5. Step 5: Solve for x
    x = 104,243,844.77/11,362.75
  6. Step 6: Final answer
    x = 9,174.17

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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.