Home / 13,973.80-20,958.42-4,110.77

Finding the Fourth Proportional to 13,973.80, 20,958.42 and 4,110.77

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Solution

The fourth proportional to 13,973.80, 20,958.42 and 4,110.77 is: 6,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.80 : 20,958.42 = 4,110.77 : x
  2. Step 2: Convert to fraction form
    13,973.80/20,958.42 = 4,110.77/x
  3. Step 3: Cross multiply
    13,973.80x = 20,958.42 × 4,110.77
  4. Step 4: Simplify right side
    13,973.80x = 86,155,275.52
  5. Step 5: Solve for x
    x = 86,155,275.52/13,973.80
  6. Step 6: Final answer
    x = 6,165.49

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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.