Home / 14,269.84-19,690.86-7,895.41

Finding the Fourth Proportional to 14,269.84, 19,690.86 and 7,895.41

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Solution

The fourth proportional to 14,269.84, 19,690.86 and 7,895.41 is: 10,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.84 : 19,690.86 = 7,895.41 : x
  2. Step 2: Convert to fraction form
    14,269.84/19,690.86 = 7,895.41/x
  3. Step 3: Cross multiply
    14,269.84x = 19,690.86 × 7,895.41
  4. Step 4: Simplify right side
    14,269.84x = 155,467,412.95
  5. Step 5: Solve for x
    x = 155,467,412.95/14,269.84
  6. Step 6: Final answer
    x = 10,894.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.