Home / 13,973.28-20,959.60-4,112.32

Finding the Fourth Proportional to 13,973.28, 20,959.60 and 4,112.32

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Solution

The fourth proportional to 13,973.28, 20,959.60 and 4,112.32 is: 6,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.28 : 20,959.60 = 4,112.32 : x
  2. Step 2: Convert to fraction form
    13,973.28/20,959.60 = 4,112.32/x
  3. Step 3: Cross multiply
    13,973.28x = 20,959.60 × 4,112.32
  4. Step 4: Simplify right side
    13,973.28x = 86,192,582.27
  5. Step 5: Solve for x
    x = 86,192,582.27/13,973.28
  6. Step 6: Final answer
    x = 6,168.39

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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.