Home / 14,269.56-19,692.90-7,982.40

Finding the Fourth Proportional to 14,269.56, 19,692.90 and 7,982.40

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Solution

The fourth proportional to 14,269.56, 19,692.90 and 7,982.40 is: 11,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.56 : 19,692.90 = 7,982.40 : x
  2. Step 2: Convert to fraction form
    14,269.56/19,692.90 = 7,982.40/x
  3. Step 3: Cross multiply
    14,269.56x = 19,692.90 × 7,982.40
  4. Step 4: Simplify right side
    14,269.56x = 157,196,604.96
  5. Step 5: Solve for x
    x = 157,196,604.96/14,269.56
  6. Step 6: Final answer
    x = 11,016.22

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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.