Home / 13,971.32-20,958.41-4,480.31

Finding the Fourth Proportional to 13,971.32, 20,958.41 and 4,480.31

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Solution

The fourth proportional to 13,971.32, 20,958.41 and 4,480.31 is: 6,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.32 : 20,958.41 = 4,480.31 : x
  2. Step 2: Convert to fraction form
    13,971.32/20,958.41 = 4,480.31/x
  3. Step 3: Cross multiply
    13,971.32x = 20,958.41 × 4,480.31
  4. Step 4: Simplify right side
    13,971.32x = 93,900,237.50
  5. Step 5: Solve for x
    x = 93,900,237.50/13,971.32
  6. Step 6: Final answer
    x = 6,720.93

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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.