Home / 14,078.52-21,089.84-9,384.57

Finding the Fourth Proportional to 14,078.52, 21,089.84 and 9,384.57

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Solution

The fourth proportional to 14,078.52, 21,089.84 and 9,384.57 is: 14,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.52 : 21,089.84 = 9,384.57 : x
  2. Step 2: Convert to fraction form
    14,078.52/21,089.84 = 9,384.57/x
  3. Step 3: Cross multiply
    14,078.52x = 21,089.84 × 9,384.57
  4. Step 4: Simplify right side
    14,078.52x = 197,919,032.85
  5. Step 5: Solve for x
    x = 197,919,032.85/14,078.52
  6. Step 6: Final answer
    x = 14,058.23

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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.