Home / 13,494.03-18,618.77-7,829.73

Finding the Fourth Proportional to 13,494.03, 18,618.77 and 7,829.73

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Solution

The fourth proportional to 13,494.03, 18,618.77 and 7,829.73 is: 10,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.03 : 18,618.77 = 7,829.73 : x
  2. Step 2: Convert to fraction form
    13,494.03/18,618.77 = 7,829.73/x
  3. Step 3: Cross multiply
    13,494.03x = 18,618.77 × 7,829.73
  4. Step 4: Simplify right side
    13,494.03x = 145,779,902.88
  5. Step 5: Solve for x
    x = 145,779,902.88/13,494.03
  6. Step 6: Final answer
    x = 10,803.29

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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.