Home / 13,986.54-19,299.26-8,955.23

Finding the Fourth Proportional to 13,986.54, 19,299.26 and 8,955.23

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Solution

The fourth proportional to 13,986.54, 19,299.26 and 8,955.23 is: 12,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.54 : 19,299.26 = 8,955.23 : x
  2. Step 2: Convert to fraction form
    13,986.54/19,299.26 = 8,955.23/x
  3. Step 3: Cross multiply
    13,986.54x = 19,299.26 × 8,955.23
  4. Step 4: Simplify right side
    13,986.54x = 172,829,238.02
  5. Step 5: Solve for x
    x = 172,829,238.02/13,986.54
  6. Step 6: Final answer
    x = 12,356.83

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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.