Home / 14,260.47-19,679.31-7,887.33

Finding the Fourth Proportional to 14,260.47, 19,679.31 and 7,887.33

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Solution

The fourth proportional to 14,260.47, 19,679.31 and 7,887.33 is: 10,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.47 : 19,679.31 = 7,887.33 : x
  2. Step 2: Convert to fraction form
    14,260.47/19,679.31 = 7,887.33/x
  3. Step 3: Cross multiply
    14,260.47x = 19,679.31 × 7,887.33
  4. Step 4: Simplify right side
    14,260.47x = 155,217,212.14
  5. Step 5: Solve for x
    x = 155,217,212.14/14,260.47
  6. Step 6: Final answer
    x = 10,884.44

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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.