Home / 14,089.04-21,128.12-4,226

Finding the Fourth Proportional to 14,089.04, 21,128.12 and 4,226

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Solution

The fourth proportional to 14,089.04, 21,128.12 and 4,226 is: 6,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.04 : 21,128.12 = 4,226 : x
  2. Step 2: Convert to fraction form
    14,089.04/21,128.12 = 4,226/x
  3. Step 3: Cross multiply
    14,089.04x = 21,128.12 × 4,226
  4. Step 4: Simplify right side
    14,089.04x = 89,287,435.12
  5. Step 5: Solve for x
    x = 89,287,435.12/14,089.04
  6. Step 6: Final answer
    x = 6,337.37

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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.