Home / 21,284.90-31,932.35-6,493.82

Finding the Fourth Proportional to 21,284.90, 31,932.35 and 6,493.82

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Solution

The fourth proportional to 21,284.90, 31,932.35 and 6,493.82 is: 9,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284.90 : 31,932.35 = 6,493.82 : x
  2. Step 2: Convert to fraction form
    21,284.90/31,932.35 = 6,493.82/x
  3. Step 3: Cross multiply
    21,284.90x = 31,932.35 × 6,493.82
  4. Step 4: Simplify right side
    21,284.90x = 207,362,740.95
  5. Step 5: Solve for x
    x = 207,362,740.95/21,284.90
  6. Step 6: Final answer
    x = 9,742.25

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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.