Home / 14,283.53-21,424.68-3,895.28

Finding the Fourth Proportional to 14,283.53, 21,424.68 and 3,895.28

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Solution

The fourth proportional to 14,283.53, 21,424.68 and 3,895.28 is: 5,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.53 : 21,424.68 = 3,895.28 : x
  2. Step 2: Convert to fraction form
    14,283.53/21,424.68 = 3,895.28/x
  3. Step 3: Cross multiply
    14,283.53x = 21,424.68 × 3,895.28
  4. Step 4: Simplify right side
    14,283.53x = 83,455,127.51
  5. Step 5: Solve for x
    x = 83,455,127.51/14,283.53
  6. Step 6: Final answer
    x = 5,842.75

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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.