Home / 13,939.12-20,894.06-4,576.74

Finding the Fourth Proportional to 13,939.12, 20,894.06 and 4,576.74

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Solution

The fourth proportional to 13,939.12, 20,894.06 and 4,576.74 is: 6,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.12 : 20,894.06 = 4,576.74 : x
  2. Step 2: Convert to fraction form
    13,939.12/20,894.06 = 4,576.74/x
  3. Step 3: Cross multiply
    13,939.12x = 20,894.06 × 4,576.74
  4. Step 4: Simplify right side
    13,939.12x = 95,626,680.16
  5. Step 5: Solve for x
    x = 95,626,680.16/13,939.12
  6. Step 6: Final answer
    x = 6,860.31

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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.