Home / 13,126.05-19,692.01-4,805.90

Finding the Fourth Proportional to 13,126.05, 19,692.01 and 4,805.90

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Solution

The fourth proportional to 13,126.05, 19,692.01 and 4,805.90 is: 7,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.05 : 19,692.01 = 4,805.90 : x
  2. Step 2: Convert to fraction form
    13,126.05/19,692.01 = 4,805.90/x
  3. Step 3: Cross multiply
    13,126.05x = 19,692.01 × 4,805.90
  4. Step 4: Simplify right side
    13,126.05x = 94,637,812.25
  5. Step 5: Solve for x
    x = 94,637,812.25/13,126.05
  6. Step 6: Final answer
    x = 7,209.92

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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.