Home / 14,556.12-21,778.80-8,995.68

Finding the Fourth Proportional to 14,556.12, 21,778.80 and 8,995.68

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Solution

The fourth proportional to 14,556.12, 21,778.80 and 8,995.68 is: 13,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.12 : 21,778.80 = 8,995.68 : x
  2. Step 2: Convert to fraction form
    14,556.12/21,778.80 = 8,995.68/x
  3. Step 3: Cross multiply
    14,556.12x = 21,778.80 × 8,995.68
  4. Step 4: Simplify right side
    14,556.12x = 195,915,115.58
  5. Step 5: Solve for x
    x = 195,915,115.58/14,556.12
  6. Step 6: Final answer
    x = 13,459.30

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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.