Home / 13,677.09-18,848.61-9,893.83

Finding the Fourth Proportional to 13,677.09, 18,848.61 and 9,893.83

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Solution

The fourth proportional to 13,677.09, 18,848.61 and 9,893.83 is: 13,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.09 : 18,848.61 = 9,893.83 : x
  2. Step 2: Convert to fraction form
    13,677.09/18,848.61 = 9,893.83/x
  3. Step 3: Cross multiply
    13,677.09x = 18,848.61 × 9,893.83
  4. Step 4: Simplify right side
    13,677.09x = 186,484,799.36
  5. Step 5: Solve for x
    x = 186,484,799.36/13,677.09
  6. Step 6: Final answer
    x = 13,634.84

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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.