Home / 14,260.44-19,679.64-7,887.36

Finding the Fourth Proportional to 14,260.44, 19,679.64 and 7,887.36

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Solution

The fourth proportional to 14,260.44, 19,679.64 and 7,887.36 is: 10,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.44 : 19,679.64 = 7,887.36 : x
  2. Step 2: Convert to fraction form
    14,260.44/19,679.64 = 7,887.36/x
  3. Step 3: Cross multiply
    14,260.44x = 19,679.64 × 7,887.36
  4. Step 4: Simplify right side
    14,260.44x = 155,220,405.35
  5. Step 5: Solve for x
    x = 155,220,405.35/14,260.44
  6. Step 6: Final answer
    x = 10,884.69

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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.