Home / 13,389.93-20,084.79-4,029.90

Finding the Fourth Proportional to 13,389.93, 20,084.79 and 4,029.90

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Solution

The fourth proportional to 13,389.93, 20,084.79 and 4,029.90 is: 6,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.93 : 20,084.79 = 4,029.90 : x
  2. Step 2: Convert to fraction form
    13,389.93/20,084.79 = 4,029.90/x
  3. Step 3: Cross multiply
    13,389.93x = 20,084.79 × 4,029.90
  4. Step 4: Simplify right side
    13,389.93x = 80,939,725.28
  5. Step 5: Solve for x
    x = 80,939,725.28/13,389.93
  6. Step 6: Final answer
    x = 6,044.82

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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.