Home / 14,178.16-21,262.92-4,942

Finding the Fourth Proportional to 14,178.16, 21,262.92 and 4,942

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Solution

The fourth proportional to 14,178.16, 21,262.92 and 4,942 is: 7,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.16 : 21,262.92 = 4,942 : x
  2. Step 2: Convert to fraction form
    14,178.16/21,262.92 = 4,942/x
  3. Step 3: Cross multiply
    14,178.16x = 21,262.92 × 4,942
  4. Step 4: Simplify right side
    14,178.16x = 105,081,350.64
  5. Step 5: Solve for x
    x = 105,081,350.64/14,178.16
  6. Step 6: Final answer
    x = 7,411.49

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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.