Home / 13,962.31-19,272.48-8,940.06

Finding the Fourth Proportional to 13,962.31, 19,272.48 and 8,940.06

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Solution

The fourth proportional to 13,962.31, 19,272.48 and 8,940.06 is: 12,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.31 : 19,272.48 = 8,940.06 : x
  2. Step 2: Convert to fraction form
    13,962.31/19,272.48 = 8,940.06/x
  3. Step 3: Cross multiply
    13,962.31x = 19,272.48 × 8,940.06
  4. Step 4: Simplify right side
    13,962.31x = 172,297,094.02
  5. Step 5: Solve for x
    x = 172,297,094.02/13,962.31
  6. Step 6: Final answer
    x = 12,340.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.