Home / 13,140.90-19,714.59-4,825.44

Finding the Fourth Proportional to 13,140.90, 19,714.59 and 4,825.44

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Solution

The fourth proportional to 13,140.90, 19,714.59 and 4,825.44 is: 7,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.90 : 19,714.59 = 4,825.44 : x
  2. Step 2: Convert to fraction form
    13,140.90/19,714.59 = 4,825.44/x
  3. Step 3: Cross multiply
    13,140.90x = 19,714.59 × 4,825.44
  4. Step 4: Simplify right side
    13,140.90x = 95,131,571.17
  5. Step 5: Solve for x
    x = 95,131,571.17/13,140.90
  6. Step 6: Final answer
    x = 7,239.35

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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.