Home / 14,442.91-21,647.76-6,635.32

Finding the Fourth Proportional to 14,442.91, 21,647.76 and 6,635.32

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Solution

The fourth proportional to 14,442.91, 21,647.76 and 6,635.32 is: 9,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.91 : 21,647.76 = 6,635.32 : x
  2. Step 2: Convert to fraction form
    14,442.91/21,647.76 = 6,635.32/x
  3. Step 3: Cross multiply
    14,442.91x = 21,647.76 × 6,635.32
  4. Step 4: Simplify right side
    14,442.91x = 143,639,814.88
  5. Step 5: Solve for x
    x = 143,639,814.88/14,442.91
  6. Step 6: Final answer
    x = 9,945.35

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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.