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Finding the Fourth Proportional to 12,602.73, 18,909.24 and 8,896.98

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Solution

The fourth proportional to 12,602.73, 18,909.24 and 8,896.98 is: 13,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.73 : 18,909.24 = 8,896.98 : x
  2. Step 2: Convert to fraction form
    12,602.73/18,909.24 = 8,896.98/x
  3. Step 3: Cross multiply
    12,602.73x = 18,909.24 × 8,896.98
  4. Step 4: Simplify right side
    12,602.73x = 168,235,130.10
  5. Step 5: Solve for x
    x = 168,235,130.10/12,602.73
  6. Step 6: Final answer
    x = 13,349.10

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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.