Home / 13,973.36-20,959.60-5,208.36

Finding the Fourth Proportional to 13,973.36, 20,959.60 and 5,208.36

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Solution

The fourth proportional to 13,973.36, 20,959.60 and 5,208.36 is: 7,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.36 : 20,959.60 = 5,208.36 : x
  2. Step 2: Convert to fraction form
    13,973.36/20,959.60 = 5,208.36/x
  3. Step 3: Cross multiply
    13,973.36x = 20,959.60 × 5,208.36
  4. Step 4: Simplify right side
    13,973.36x = 109,165,142.26
  5. Step 5: Solve for x
    x = 109,165,142.26/13,973.36
  6. Step 6: Final answer
    x = 7,812.38

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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.