Home / 12,659.29-18,975.90-4,760.34

Finding the Fourth Proportional to 12,659.29, 18,975.90 and 4,760.34

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Solution

The fourth proportional to 12,659.29, 18,975.90 and 4,760.34 is: 7,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.29 : 18,975.90 = 4,760.34 : x
  2. Step 2: Convert to fraction form
    12,659.29/18,975.90 = 4,760.34/x
  3. Step 3: Cross multiply
    12,659.29x = 18,975.90 × 4,760.34
  4. Step 4: Simplify right side
    12,659.29x = 90,331,682.50
  5. Step 5: Solve for x
    x = 90,331,682.50/12,659.29
  6. Step 6: Final answer
    x = 7,135.61

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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.