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Finding the Fourth Proportional to 12,299.10, 18,453.06 and 6,373.14

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Solution

The fourth proportional to 12,299.10, 18,453.06 and 6,373.14 is: 9,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.10 : 18,453.06 = 6,373.14 : x
  2. Step 2: Convert to fraction form
    12,299.10/18,453.06 = 6,373.14/x
  3. Step 3: Cross multiply
    12,299.10x = 18,453.06 × 6,373.14
  4. Step 4: Simplify right side
    12,299.10x = 117,603,934.81
  5. Step 5: Solve for x
    x = 117,603,934.81/12,299.10
  6. Step 6: Final answer
    x = 9,562.00

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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.