Home / 14,013.60-21,020.41-4,152.88

Finding the Fourth Proportional to 14,013.60, 21,020.41 and 4,152.88

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Solution

The fourth proportional to 14,013.60, 21,020.41 and 4,152.88 is: 6,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.60 : 21,020.41 = 4,152.88 : x
  2. Step 2: Convert to fraction form
    14,013.60/21,020.41 = 4,152.88/x
  3. Step 3: Cross multiply
    14,013.60x = 21,020.41 × 4,152.88
  4. Step 4: Simplify right side
    14,013.60x = 87,295,240.28
  5. Step 5: Solve for x
    x = 87,295,240.28/14,013.60
  6. Step 6: Final answer
    x = 6,229.32

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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.