Home / 21,087.06-31,636.08-6,295.99

Finding the Fourth Proportional to 21,087.06, 31,636.08 and 6,295.99

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Solution

The fourth proportional to 21,087.06, 31,636.08 and 6,295.99 is: 9,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,087.06 : 31,636.08 = 6,295.99 : x
  2. Step 2: Convert to fraction form
    21,087.06/31,636.08 = 6,295.99/x
  3. Step 3: Cross multiply
    21,087.06x = 31,636.08 × 6,295.99
  4. Step 4: Simplify right side
    21,087.06x = 199,180,443.32
  5. Step 5: Solve for x
    x = 199,180,443.32/21,087.06
  6. Step 6: Final answer
    x = 9,445.62

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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.