Home / 12,931.28-19,396.92-6,002

Finding the Fourth Proportional to 12,931.28, 19,396.92 and 6,002

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Solution

The fourth proportional to 12,931.28, 19,396.92 and 6,002 is: 9,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.28 : 19,396.92 = 6,002 : x
  2. Step 2: Convert to fraction form
    12,931.28/19,396.92 = 6,002/x
  3. Step 3: Cross multiply
    12,931.28x = 19,396.92 × 6,002
  4. Step 4: Simplify right side
    12,931.28x = 116,420,313.84
  5. Step 5: Solve for x
    x = 116,420,313.84/12,931.28
  6. Step 6: Final answer
    x = 9,003.00

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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.