Home / 21,250.23-31,878.99-6,460.62

Finding the Fourth Proportional to 21,250.23, 31,878.99 and 6,460.62

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Solution

The fourth proportional to 21,250.23, 31,878.99 and 6,460.62 is: 9,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.23 : 31,878.99 = 6,460.62 : x
  2. Step 2: Convert to fraction form
    21,250.23/31,878.99 = 6,460.62/x
  3. Step 3: Cross multiply
    21,250.23x = 31,878.99 × 6,460.62
  4. Step 4: Simplify right side
    21,250.23x = 205,958,040.37
  5. Step 5: Solve for x
    x = 205,958,040.37/21,250.23
  6. Step 6: Final answer
    x = 9,692.04

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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.