Home / 20,890.58-31,329.70-6,094.84

Finding the Fourth Proportional to 20,890.58, 31,329.70 and 6,094.84

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Solution

The fourth proportional to 20,890.58, 31,329.70 and 6,094.84 is: 9,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890.58 : 31,329.70 = 6,094.84 : x
  2. Step 2: Convert to fraction form
    20,890.58/31,329.70 = 6,094.84/x
  3. Step 3: Cross multiply
    20,890.58x = 31,329.70 × 6,094.84
  4. Step 4: Simplify right side
    20,890.58x = 190,949,508.75
  5. Step 5: Solve for x
    x = 190,949,508.75/20,890.58
  6. Step 6: Final answer
    x = 9,140.46

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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.