Home / 13,908.85-19,193.97-8,602.27

Finding the Fourth Proportional to 13,908.85, 19,193.97 and 8,602.27

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Solution

The fourth proportional to 13,908.85, 19,193.97 and 8,602.27 is: 11,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.85 : 19,193.97 = 8,602.27 : x
  2. Step 2: Convert to fraction form
    13,908.85/19,193.97 = 8,602.27/x
  3. Step 3: Cross multiply
    13,908.85x = 19,193.97 × 8,602.27
  4. Step 4: Simplify right side
    13,908.85x = 165,111,712.31
  5. Step 5: Solve for x
    x = 165,111,712.31/13,908.85
  6. Step 6: Final answer
    x = 11,870.98

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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.