Home / 20,962.03-31,443.58-6,171.43

Finding the Fourth Proportional to 20,962.03, 31,443.58 and 6,171.43

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Solution

The fourth proportional to 20,962.03, 31,443.58 and 6,171.43 is: 9,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.03 : 31,443.58 = 6,171.43 : x
  2. Step 2: Convert to fraction form
    20,962.03/31,443.58 = 6,171.43/x
  3. Step 3: Cross multiply
    20,962.03x = 31,443.58 × 6,171.43
  4. Step 4: Simplify right side
    20,962.03x = 194,051,782.02
  5. Step 5: Solve for x
    x = 194,051,782.02/20,962.03
  6. Step 6: Final answer
    x = 9,257.30

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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.