Home / 18,453.43-27,675.02-5,123.36

Finding the Fourth Proportional to 18,453.43, 27,675.02 and 5,123.36

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Solution

The fourth proportional to 18,453.43, 27,675.02 and 5,123.36 is: 7,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.43 : 27,675.02 = 5,123.36 : x
  2. Step 2: Convert to fraction form
    18,453.43/27,675.02 = 5,123.36/x
  3. Step 3: Cross multiply
    18,453.43x = 27,675.02 × 5,123.36
  4. Step 4: Simplify right side
    18,453.43x = 141,789,090.47
  5. Step 5: Solve for x
    x = 141,789,090.47/18,453.43
  6. Step 6: Final answer
    x = 7,683.62

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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.