Home / 14,221.44-21,323.52-5,464.32

Finding the Fourth Proportional to 14,221.44, 21,323.52 and 5,464.32

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Solution

The fourth proportional to 14,221.44, 21,323.52 and 5,464.32 is: 8,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.44 : 21,323.52 = 5,464.32 : x
  2. Step 2: Convert to fraction form
    14,221.44/21,323.52 = 5,464.32/x
  3. Step 3: Cross multiply
    14,221.44x = 21,323.52 × 5,464.32
  4. Step 4: Simplify right side
    14,221.44x = 116,518,536.81
  5. Step 5: Solve for x
    x = 116,518,536.81/14,221.44
  6. Step 6: Final answer
    x = 8,193.16

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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.