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Finding the Fourth Proportional to 10,447.00, 15,674.00 and 6,950.79

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Solution

The fourth proportional to 10,447.00, 15,674.00 and 6,950.79 is: 10,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.00 : 15,674.00 = 6,950.79 : x
  2. Step 2: Convert to fraction form
    10,447.00/15,674.00 = 6,950.79/x
  3. Step 3: Cross multiply
    10,447.00x = 15,674.00 × 6,950.79
  4. Step 4: Simplify right side
    10,447.00x = 108,946,647.71
  5. Step 5: Solve for x
    x = 108,946,647.71/10,447.00
  6. Step 6: Final answer
    x = 10,428.51

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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.