Home / 13,158.99-19,747.08-4,839.09

Finding the Fourth Proportional to 13,158.99, 19,747.08 and 4,839.09

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Solution

The fourth proportional to 13,158.99, 19,747.08 and 4,839.09 is: 7,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.99 : 19,747.08 = 4,839.09 : x
  2. Step 2: Convert to fraction form
    13,158.99/19,747.08 = 4,839.09/x
  3. Step 3: Cross multiply
    13,158.99x = 19,747.08 × 4,839.09
  4. Step 4: Simplify right side
    13,158.99x = 95,557,897.36
  5. Step 5: Solve for x
    x = 95,557,897.36/13,158.99
  6. Step 6: Final answer
    x = 7,261.80

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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.