Home / 14,022.80-21,042.30-5,258.60

Finding the Fourth Proportional to 14,022.80, 21,042.30 and 5,258.60

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Solution

The fourth proportional to 14,022.80, 21,042.30 and 5,258.60 is: 7,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.80 : 21,042.30 = 5,258.60 : x
  2. Step 2: Convert to fraction form
    14,022.80/21,042.30 = 5,258.60/x
  3. Step 3: Cross multiply
    14,022.80x = 21,042.30 × 5,258.60
  4. Step 4: Simplify right side
    14,022.80x = 110,653,038.78
  5. Step 5: Solve for x
    x = 110,653,038.78/14,022.80
  6. Step 6: Final answer
    x = 7,890.94

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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.