Home / 13,080.45-19,617.84-4,760.67

Finding the Fourth Proportional to 13,080.45, 19,617.84 and 4,760.67

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Solution

The fourth proportional to 13,080.45, 19,617.84 and 4,760.67 is: 7,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.45 : 19,617.84 = 4,760.67 : x
  2. Step 2: Convert to fraction form
    13,080.45/19,617.84 = 4,760.67/x
  3. Step 3: Cross multiply
    13,080.45x = 19,617.84 × 4,760.67
  4. Step 4: Simplify right side
    13,080.45x = 93,394,062.35
  5. Step 5: Solve for x
    x = 93,394,062.35/13,080.45
  6. Step 6: Final answer
    x = 7,139.97

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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.