Home / 18,964.46-28,424.52-14,269.40

Finding the Fourth Proportional to 18,964.46, 28,424.52 and 14,269.40

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Solution

The fourth proportional to 18,964.46, 28,424.52 and 14,269.40 is: 21,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.46 : 28,424.52 = 14,269.40 : x
  2. Step 2: Convert to fraction form
    18,964.46/28,424.52 = 14,269.40/x
  3. Step 3: Cross multiply
    18,964.46x = 28,424.52 × 14,269.40
  4. Step 4: Simplify right side
    18,964.46x = 405,600,810.16
  5. Step 5: Solve for x
    x = 405,600,810.16/18,964.46
  6. Step 6: Final answer
    x = 21,387.41

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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.