Home / 13,334.45-19,977.98-6,306.89

Finding the Fourth Proportional to 13,334.45, 19,977.98 and 6,306.89

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Solution

The fourth proportional to 13,334.45, 19,977.98 and 6,306.89 is: 9,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.45 : 19,977.98 = 6,306.89 : x
  2. Step 2: Convert to fraction form
    13,334.45/19,977.98 = 6,306.89/x
  3. Step 3: Cross multiply
    13,334.45x = 19,977.98 × 6,306.89
  4. Step 4: Simplify right side
    13,334.45x = 125,998,790.86
  5. Step 5: Solve for x
    x = 125,998,790.86/13,334.45
  6. Step 6: Final answer
    x = 9,449.12

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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.