Home / 14,397.84-21,583.80-5,639.04

Finding the Fourth Proportional to 14,397.84, 21,583.80 and 5,639.04

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Solution

The fourth proportional to 14,397.84, 21,583.80 and 5,639.04 is: 8,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.84 : 21,583.80 = 5,639.04 : x
  2. Step 2: Convert to fraction form
    14,397.84/21,583.80 = 5,639.04/x
  3. Step 3: Cross multiply
    14,397.84x = 21,583.80 × 5,639.04
  4. Step 4: Simplify right side
    14,397.84x = 121,711,911.55
  5. Step 5: Solve for x
    x = 121,711,911.55/14,397.84
  6. Step 6: Final answer
    x = 8,453.48

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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.