Home / 12,560.06-18,839.54-5,164.36

Finding the Fourth Proportional to 12,560.06, 18,839.54 and 5,164.36

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Solution

The fourth proportional to 12,560.06, 18,839.54 and 5,164.36 is: 7,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.06 : 18,839.54 = 5,164.36 : x
  2. Step 2: Convert to fraction form
    12,560.06/18,839.54 = 5,164.36/x
  3. Step 3: Cross multiply
    12,560.06x = 18,839.54 × 5,164.36
  4. Step 4: Simplify right side
    12,560.06x = 97,294,103.56
  5. Step 5: Solve for x
    x = 97,294,103.56/12,560.06
  6. Step 6: Final answer
    x = 7,746.31

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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.