Home / 20,973.34-31,453.33-6,930.74

Finding the Fourth Proportional to 20,973.34, 31,453.33 and 6,930.74

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Solution

The fourth proportional to 20,973.34, 31,453.33 and 6,930.74 is: 10,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.34 : 31,453.33 = 6,930.74 : x
  2. Step 2: Convert to fraction form
    20,973.34/31,453.33 = 6,930.74/x
  3. Step 3: Cross multiply
    20,973.34x = 31,453.33 × 6,930.74
  4. Step 4: Simplify right side
    20,973.34x = 217,994,852.36
  5. Step 5: Solve for x
    x = 217,994,852.36/20,973.34
  6. Step 6: Final answer
    x = 10,393.90

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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.