Home / 13,692.04-18,895.08-7,723.96

Finding the Fourth Proportional to 13,692.04, 18,895.08 and 7,723.96

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Solution

The fourth proportional to 13,692.04, 18,895.08 and 7,723.96 is: 10,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.04 : 18,895.08 = 7,723.96 : x
  2. Step 2: Convert to fraction form
    13,692.04/18,895.08 = 7,723.96/x
  3. Step 3: Cross multiply
    13,692.04x = 18,895.08 × 7,723.96
  4. Step 4: Simplify right side
    13,692.04x = 145,944,842.12
  5. Step 5: Solve for x
    x = 145,944,842.12/13,692.04
  6. Step 6: Final answer
    x = 10,659.10

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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.