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Finding the Fourth Proportional to 15,083.00, 20,814.87 and 8,368.37

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Solution

The fourth proportional to 15,083.00, 20,814.87 and 8,368.37 is: 11,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.00 : 20,814.87 = 8,368.37 : x
  2. Step 2: Convert to fraction form
    15,083.00/20,814.87 = 8,368.37/x
  3. Step 3: Cross multiply
    15,083.00x = 20,814.87 × 8,368.37
  4. Step 4: Simplify right side
    15,083.00x = 174,186,585.70
  5. Step 5: Solve for x
    x = 174,186,585.70/15,083.00
  6. Step 6: Final answer
    x = 11,548.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.