Home / 14,261.23-19,680.62-7,887.49

Finding the Fourth Proportional to 14,261.23, 19,680.62 and 7,887.49

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Solution

The fourth proportional to 14,261.23, 19,680.62 and 7,887.49 is: 10,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.23 : 19,680.62 = 7,887.49 : x
  2. Step 2: Convert to fraction form
    14,261.23/19,680.62 = 7,887.49/x
  3. Step 3: Cross multiply
    14,261.23x = 19,680.62 × 7,887.49
  4. Step 4: Simplify right side
    14,261.23x = 155,230,693.44
  5. Step 5: Solve for x
    x = 155,230,693.44/14,261.23
  6. Step 6: Final answer
    x = 10,884.80

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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.