Home / 13,900.29-20,853.66-4,039.25

Finding the Fourth Proportional to 13,900.29, 20,853.66 and 4,039.25

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Solution

The fourth proportional to 13,900.29, 20,853.66 and 4,039.25 is: 6,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.29 : 20,853.66 = 4,039.25 : x
  2. Step 2: Convert to fraction form
    13,900.29/20,853.66 = 4,039.25/x
  3. Step 3: Cross multiply
    13,900.29x = 20,853.66 × 4,039.25
  4. Step 4: Simplify right side
    13,900.29x = 84,233,041.89
  5. Step 5: Solve for x
    x = 84,233,041.89/13,900.29
  6. Step 6: Final answer
    x = 6,059.80

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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.