Home / 9,309.44-13,970.83-3,386.32

Finding the Fourth Proportional to 9,309.44, 13,970.83 and 3,386.32

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Solution

The fourth proportional to 9,309.44, 13,970.83 and 3,386.32 is: 5,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.44 : 13,970.83 = 3,386.32 : x
  2. Step 2: Convert to fraction form
    9,309.44/13,970.83 = 3,386.32/x
  3. Step 3: Cross multiply
    9,309.44x = 13,970.83 × 3,386.32
  4. Step 4: Simplify right side
    9,309.44x = 47,309,683.65
  5. Step 5: Solve for x
    x = 47,309,683.65/9,309.44
  6. Step 6: Final answer
    x = 5,081.90

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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.