Home / 13,747.32-20,619.80-4,386.96

Finding the Fourth Proportional to 13,747.32, 20,619.80 and 4,386.96

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Solution

The fourth proportional to 13,747.32, 20,619.80 and 4,386.96 is: 6,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.32 : 20,619.80 = 4,386.96 : x
  2. Step 2: Convert to fraction form
    13,747.32/20,619.80 = 4,386.96/x
  3. Step 3: Cross multiply
    13,747.32x = 20,619.80 × 4,386.96
  4. Step 4: Simplify right side
    13,747.32x = 90,458,237.81
  5. Step 5: Solve for x
    x = 90,458,237.81/13,747.32
  6. Step 6: Final answer
    x = 6,580.06

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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.