Home / 20,368.28-30,562.74-9,273.44

Finding the Fourth Proportional to 20,368.28, 30,562.74 and 9,273.44

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Solution

The fourth proportional to 20,368.28, 30,562.74 and 9,273.44 is: 13,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.28 : 30,562.74 = 9,273.44 : x
  2. Step 2: Convert to fraction form
    20,368.28/30,562.74 = 9,273.44/x
  3. Step 3: Cross multiply
    20,368.28x = 30,562.74 × 9,273.44
  4. Step 4: Simplify right side
    20,368.28x = 283,421,735.63
  5. Step 5: Solve for x
    x = 283,421,735.63/20,368.28
  6. Step 6: Final answer
    x = 13,914.86

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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.