Home / 13,952.88-19,254.75-8,290.37

Finding the Fourth Proportional to 13,952.88, 19,254.75 and 8,290.37

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Solution

The fourth proportional to 13,952.88, 19,254.75 and 8,290.37 is: 11,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.88 : 19,254.75 = 8,290.37 : x
  2. Step 2: Convert to fraction form
    13,952.88/19,254.75 = 8,290.37/x
  3. Step 3: Cross multiply
    13,952.88x = 19,254.75 × 8,290.37
  4. Step 4: Simplify right side
    13,952.88x = 159,628,905.48
  5. Step 5: Solve for x
    x = 159,628,905.48/13,952.88
  6. Step 6: Final answer
    x = 11,440.57

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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.