Home / 13,948.04-20,921.56-6,548.36

Finding the Fourth Proportional to 13,948.04, 20,921.56 and 6,548.36

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Solution

The fourth proportional to 13,948.04, 20,921.56 and 6,548.36 is: 9,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.04 : 20,921.56 = 6,548.36 : x
  2. Step 2: Convert to fraction form
    13,948.04/20,921.56 = 6,548.36/x
  3. Step 3: Cross multiply
    13,948.04x = 20,921.56 × 6,548.36
  4. Step 4: Simplify right side
    13,948.04x = 137,001,906.64
  5. Step 5: Solve for x
    x = 137,001,906.64/13,948.04
  6. Step 6: Final answer
    x = 9,822.31

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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.