Home / 21,086.06-31,634.58-6,294.99

Finding the Fourth Proportional to 21,086.06, 31,634.58 and 6,294.99

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Solution

The fourth proportional to 21,086.06, 31,634.58 and 6,294.99 is: 9,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086.06 : 31,634.58 = 6,294.99 : x
  2. Step 2: Convert to fraction form
    21,086.06/31,634.58 = 6,294.99/x
  3. Step 3: Cross multiply
    21,086.06x = 31,634.58 × 6,294.99
  4. Step 4: Simplify right side
    21,086.06x = 199,139,206.58
  5. Step 5: Solve for x
    x = 199,139,206.58/21,086.06
  6. Step 6: Final answer
    x = 9,444.12

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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.