Home / 14,306.94-21,460.01-3,918.69

Finding the Fourth Proportional to 14,306.94, 21,460.01 and 3,918.69

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Solution

The fourth proportional to 14,306.94, 21,460.01 and 3,918.69 is: 5,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.94 : 21,460.01 = 3,918.69 : x
  2. Step 2: Convert to fraction form
    14,306.94/21,460.01 = 3,918.69/x
  3. Step 3: Cross multiply
    14,306.94x = 21,460.01 × 3,918.69
  4. Step 4: Simplify right side
    14,306.94x = 84,095,106.99
  5. Step 5: Solve for x
    x = 84,095,106.99/14,306.94
  6. Step 6: Final answer
    x = 5,877.92

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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.