Home / 14,226.72-21,340-5,464.32

Finding the Fourth Proportional to 14,226.72, 21,340 and 5,464.32

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Solution

The fourth proportional to 14,226.72, 21,340 and 5,464.32 is: 8,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.72 : 21,340 = 5,464.32 : x
  2. Step 2: Convert to fraction form
    14,226.72/21,340 = 5,464.32/x
  3. Step 3: Cross multiply
    14,226.72x = 21,340 × 5,464.32
  4. Step 4: Simplify right side
    14,226.72x = 116,608,588.80
  5. Step 5: Solve for x
    x = 116,608,588.80/14,226.72
  6. Step 6: Final answer
    x = 8,196.45

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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.