Home / 9,896.78-14,845.64-5,510.95

Finding the Fourth Proportional to 9,896.78, 14,845.64 and 5,510.95

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Solution

The fourth proportional to 9,896.78, 14,845.64 and 5,510.95 is: 8,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.78 : 14,845.64 = 5,510.95 : x
  2. Step 2: Convert to fraction form
    9,896.78/14,845.64 = 5,510.95/x
  3. Step 3: Cross multiply
    9,896.78x = 14,845.64 × 5,510.95
  4. Step 4: Simplify right side
    9,896.78x = 81,813,515.09
  5. Step 5: Solve for x
    x = 81,813,515.09/9,896.78
  6. Step 6: Final answer
    x = 8,266.68

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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.