Home / 12,134.68-16,747.47-6,830.53

Finding the Fourth Proportional to 12,134.68, 16,747.47 and 6,830.53

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Solution

The fourth proportional to 12,134.68, 16,747.47 and 6,830.53 is: 9,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.68 : 16,747.47 = 6,830.53 : x
  2. Step 2: Convert to fraction form
    12,134.68/16,747.47 = 6,830.53/x
  3. Step 3: Cross multiply
    12,134.68x = 16,747.47 × 6,830.53
  4. Step 4: Simplify right side
    12,134.68x = 114,394,096.26
  5. Step 5: Solve for x
    x = 114,394,096.26/12,134.68
  6. Step 6: Final answer
    x = 9,427.04

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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.