Home / 10,806.45-14,913.48-6,330.56

Finding the Fourth Proportional to 10,806.45, 14,913.48 and 6,330.56

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Solution

The fourth proportional to 10,806.45, 14,913.48 and 6,330.56 is: 8,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.45 : 14,913.48 = 6,330.56 : x
  2. Step 2: Convert to fraction form
    10,806.45/14,913.48 = 6,330.56/x
  3. Step 3: Cross multiply
    10,806.45x = 14,913.48 × 6,330.56
  4. Step 4: Simplify right side
    10,806.45x = 94,410,605.38
  5. Step 5: Solve for x
    x = 94,410,605.38/10,806.45
  6. Step 6: Final answer
    x = 8,736.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.