Home / 9,928.95-13,692.33-6,705.87

Finding the Fourth Proportional to 9,928.95, 13,692.33 and 6,705.87

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Solution

The fourth proportional to 9,928.95, 13,692.33 and 6,705.87 is: 9,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.95 : 13,692.33 = 6,705.87 : x
  2. Step 2: Convert to fraction form
    9,928.95/13,692.33 = 6,705.87/x
  3. Step 3: Cross multiply
    9,928.95x = 13,692.33 × 6,705.87
  4. Step 4: Simplify right side
    9,928.95x = 91,818,984.98
  5. Step 5: Solve for x
    x = 91,818,984.98/9,928.95
  6. Step 6: Final answer
    x = 9,247.60

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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.