Home / 14,855.94-22,268.55-4,991.90

Finding the Fourth Proportional to 14,855.94, 22,268.55 and 4,991.90

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Solution

The fourth proportional to 14,855.94, 22,268.55 and 4,991.90 is: 7,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.94 : 22,268.55 = 4,991.90 : x
  2. Step 2: Convert to fraction form
    14,855.94/22,268.55 = 4,991.90/x
  3. Step 3: Cross multiply
    14,855.94x = 22,268.55 × 4,991.90
  4. Step 4: Simplify right side
    14,855.94x = 111,162,263.40
  5. Step 5: Solve for x
    x = 111,162,263.40/14,855.94
  6. Step 6: Final answer
    x = 7,482.68

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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.