Home / 11,477.37-15,839.52-6,441.90

Finding the Fourth Proportional to 11,477.37, 15,839.52 and 6,441.90

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Solution

The fourth proportional to 11,477.37, 15,839.52 and 6,441.90 is: 8,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.37 : 15,839.52 = 6,441.90 : x
  2. Step 2: Convert to fraction form
    11,477.37/15,839.52 = 6,441.90/x
  3. Step 3: Cross multiply
    11,477.37x = 15,839.52 × 6,441.90
  4. Step 4: Simplify right side
    11,477.37x = 102,036,603.89
  5. Step 5: Solve for x
    x = 102,036,603.89/11,477.37
  6. Step 6: Final answer
    x = 8,890.24

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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.