Home / 14,272.72-21,412.32-4,411.68

Finding the Fourth Proportional to 14,272.72, 21,412.32 and 4,411.68

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Solution

The fourth proportional to 14,272.72, 21,412.32 and 4,411.68 is: 6,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.72 : 21,412.32 = 4,411.68 : x
  2. Step 2: Convert to fraction form
    14,272.72/21,412.32 = 4,411.68/x
  3. Step 3: Cross multiply
    14,272.72x = 21,412.32 × 4,411.68
  4. Step 4: Simplify right side
    14,272.72x = 94,464,303.90
  5. Step 5: Solve for x
    x = 94,464,303.90/14,272.72
  6. Step 6: Final answer
    x = 6,618.52

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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.