Home / 12,829.90-19,246.11-5,331.91

Finding the Fourth Proportional to 12,829.90, 19,246.11 and 5,331.91

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Solution

The fourth proportional to 12,829.90, 19,246.11 and 5,331.91 is: 7,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.90 : 19,246.11 = 5,331.91 : x
  2. Step 2: Convert to fraction form
    12,829.90/19,246.11 = 5,331.91/x
  3. Step 3: Cross multiply
    12,829.90x = 19,246.11 × 5,331.91
  4. Step 4: Simplify right side
    12,829.90x = 102,618,526.37
  5. Step 5: Solve for x
    x = 102,618,526.37/12,829.90
  6. Step 6: Final answer
    x = 7,998.39

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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.