Home / 12,825.80-19,217.10-6,237.80

Finding the Fourth Proportional to 12,825.80, 19,217.10 and 6,237.80

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Solution

The fourth proportional to 12,825.80, 19,217.10 and 6,237.80 is: 9,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.80 : 19,217.10 = 6,237.80 : x
  2. Step 2: Convert to fraction form
    12,825.80/19,217.10 = 6,237.80/x
  3. Step 3: Cross multiply
    12,825.80x = 19,217.10 × 6,237.80
  4. Step 4: Simplify right side
    12,825.80x = 119,872,426.38
  5. Step 5: Solve for x
    x = 119,872,426.38/12,825.80
  6. Step 6: Final answer
    x = 9,346.19

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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.