Home / 20,940.35-31,411.46-6,710.27

Finding the Fourth Proportional to 20,940.35, 31,411.46 and 6,710.27

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Solution

The fourth proportional to 20,940.35, 31,411.46 and 6,710.27 is: 10,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940.35 : 31,411.46 = 6,710.27 : x
  2. Step 2: Convert to fraction form
    20,940.35/31,411.46 = 6,710.27/x
  3. Step 3: Cross multiply
    20,940.35x = 31,411.46 × 6,710.27
  4. Step 4: Simplify right side
    20,940.35x = 210,779,237.41
  5. Step 5: Solve for x
    x = 210,779,237.41/20,940.35
  6. Step 6: Final answer
    x = 10,065.70

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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.