Home / 13,918.40-20,869.79-6,015.98

Finding the Fourth Proportional to 13,918.40, 20,869.79 and 6,015.98

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Solution

The fourth proportional to 13,918.40, 20,869.79 and 6,015.98 is: 9,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.40 : 20,869.79 = 6,015.98 : x
  2. Step 2: Convert to fraction form
    13,918.40/20,869.79 = 6,015.98/x
  3. Step 3: Cross multiply
    13,918.40x = 20,869.79 × 6,015.98
  4. Step 4: Simplify right side
    13,918.40x = 125,552,104.82
  5. Step 5: Solve for x
    x = 125,552,104.82/13,918.40
  6. Step 6: Final answer
    x = 9,020.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.