Home / 21,086.37-31,635.06-6,295.29

Finding the Fourth Proportional to 21,086.37, 31,635.06 and 6,295.29

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Solution

The fourth proportional to 21,086.37, 31,635.06 and 6,295.29 is: 9,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086.37 : 31,635.06 = 6,295.29 : x
  2. Step 2: Convert to fraction form
    21,086.37/31,635.06 = 6,295.29/x
  3. Step 3: Cross multiply
    21,086.37x = 31,635.06 × 6,295.29
  4. Step 4: Simplify right side
    21,086.37x = 199,151,876.87
  5. Step 5: Solve for x
    x = 199,151,876.87/21,086.37
  6. Step 6: Final answer
    x = 9,444.58

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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.