Home / 15,584.74-21,506.94-8,511.18

Finding the Fourth Proportional to 15,584.74, 21,506.94 and 8,511.18

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Solution

The fourth proportional to 15,584.74, 21,506.94 and 8,511.18 is: 11,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.74 : 21,506.94 = 8,511.18 : x
  2. Step 2: Convert to fraction form
    15,584.74/21,506.94 = 8,511.18/x
  3. Step 3: Cross multiply
    15,584.74x = 21,506.94 × 8,511.18
  4. Step 4: Simplify right side
    15,584.74x = 183,049,437.59
  5. Step 5: Solve for x
    x = 183,049,437.59/15,584.74
  6. Step 6: Final answer
    x = 11,745.43

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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.