Home / 21,246.56-31,884.36-7,395.56

Finding the Fourth Proportional to 21,246.56, 31,884.36 and 7,395.56

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Solution

The fourth proportional to 21,246.56, 31,884.36 and 7,395.56 is: 11,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.56 : 31,884.36 = 7,395.56 : x
  2. Step 2: Convert to fraction form
    21,246.56/31,884.36 = 7,395.56/x
  3. Step 3: Cross multiply
    21,246.56x = 31,884.36 × 7,395.56
  4. Step 4: Simplify right side
    21,246.56x = 235,802,697.44
  5. Step 5: Solve for x
    x = 235,802,697.44/21,246.56
  6. Step 6: Final answer
    x = 11,098.39

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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.