Home / 12,430.96-17,154.45-6,765.73

Finding the Fourth Proportional to 12,430.96, 17,154.45 and 6,765.73

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Solution

The fourth proportional to 12,430.96, 17,154.45 and 6,765.73 is: 9,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.96 : 17,154.45 = 6,765.73 : x
  2. Step 2: Convert to fraction form
    12,430.96/17,154.45 = 6,765.73/x
  3. Step 3: Cross multiply
    12,430.96x = 17,154.45 × 6,765.73
  4. Step 4: Simplify right side
    12,430.96x = 116,062,334.11
  5. Step 5: Solve for x
    x = 116,062,334.11/12,430.96
  6. Step 6: Final answer
    x = 9,336.56

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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.