Home / 10,405.94-15,603.44-4,482.81

Finding the Fourth Proportional to 10,405.94, 15,603.44 and 4,482.81

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Solution

The fourth proportional to 10,405.94, 15,603.44 and 4,482.81 is: 6,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.94 : 15,603.44 = 4,482.81 : x
  2. Step 2: Convert to fraction form
    10,405.94/15,603.44 = 4,482.81/x
  3. Step 3: Cross multiply
    10,405.94x = 15,603.44 × 4,482.81
  4. Step 4: Simplify right side
    10,405.94x = 69,947,234.45
  5. Step 5: Solve for x
    x = 69,947,234.45/10,405.94
  6. Step 6: Final answer
    x = 6,721.86

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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.