Home / 14,517.78-21,779.10-13,048.44

Finding the Fourth Proportional to 14,517.78, 21,779.10 and 13,048.44

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Solution

The fourth proportional to 14,517.78, 21,779.10 and 13,048.44 is: 19,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.78 : 21,779.10 = 13,048.44 : x
  2. Step 2: Convert to fraction form
    14,517.78/21,779.10 = 13,048.44/x
  3. Step 3: Cross multiply
    14,517.78x = 21,779.10 × 13,048.44
  4. Step 4: Simplify right side
    14,517.78x = 284,183,279.60
  5. Step 5: Solve for x
    x = 284,183,279.60/14,517.78
  6. Step 6: Final answer
    x = 19,574.84

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1.5x scale

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.