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Finding the Fourth Proportional to 15,899.37, 23,872.47 and 8,893.11

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Solution

The fourth proportional to 15,899.37, 23,872.47 and 8,893.11 is: 13,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.37 : 23,872.47 = 8,893.11 : x
  2. Step 2: Convert to fraction form
    15,899.37/23,872.47 = 8,893.11/x
  3. Step 3: Cross multiply
    15,899.37x = 23,872.47 × 8,893.11
  4. Step 4: Simplify right side
    15,899.37x = 212,300,382.32
  5. Step 5: Solve for x
    x = 212,300,382.32/15,899.37
  6. Step 6: Final answer
    x = 13,352.76

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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.