Home / 14,387.26-21,576.62-6,485.22

Finding the Fourth Proportional to 14,387.26, 21,576.62 and 6,485.22

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Solution

The fourth proportional to 14,387.26, 21,576.62 and 6,485.22 is: 9,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.26 : 21,576.62 = 6,485.22 : x
  2. Step 2: Convert to fraction form
    14,387.26/21,576.62 = 6,485.22/x
  3. Step 3: Cross multiply
    14,387.26x = 21,576.62 × 6,485.22
  4. Step 4: Simplify right side
    14,387.26x = 139,929,127.56
  5. Step 5: Solve for x
    x = 139,929,127.56/14,387.26
  6. Step 6: Final answer
    x = 9,725.91

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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.