Home / 12,829.42-19,242.54-3,470.20

Finding the Fourth Proportional to 12,829.42, 19,242.54 and 3,470.20

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Solution

The fourth proportional to 12,829.42, 19,242.54 and 3,470.20 is: 5,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.42 : 19,242.54 = 3,470.20 : x
  2. Step 2: Convert to fraction form
    12,829.42/19,242.54 = 3,470.20/x
  3. Step 3: Cross multiply
    12,829.42x = 19,242.54 × 3,470.20
  4. Step 4: Simplify right side
    12,829.42x = 66,775,462.31
  5. Step 5: Solve for x
    x = 66,775,462.31/12,829.42
  6. Step 6: Final answer
    x = 5,204.87

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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.