Home / 11,339.80-15,647.10-6,303.94

Finding the Fourth Proportional to 11,339.80, 15,647.10 and 6,303.94

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Solution

The fourth proportional to 11,339.80, 15,647.10 and 6,303.94 is: 8,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.80 : 15,647.10 = 6,303.94 : x
  2. Step 2: Convert to fraction form
    11,339.80/15,647.10 = 6,303.94/x
  3. Step 3: Cross multiply
    11,339.80x = 15,647.10 × 6,303.94
  4. Step 4: Simplify right side
    11,339.80x = 98,638,379.57
  5. Step 5: Solve for x
    x = 98,638,379.57/11,339.80
  6. Step 6: Final answer
    x = 8,698.42

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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.