Home / 21,091.03-31,636.56-6,299.95

Finding the Fourth Proportional to 21,091.03, 31,636.56 and 6,299.95

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Solution

The fourth proportional to 21,091.03, 31,636.56 and 6,299.95 is: 9,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091.03 : 31,636.56 = 6,299.95 : x
  2. Step 2: Convert to fraction form
    21,091.03/31,636.56 = 6,299.95/x
  3. Step 3: Cross multiply
    21,091.03x = 31,636.56 × 6,299.95
  4. Step 4: Simplify right side
    21,091.03x = 199,308,746.17
  5. Step 5: Solve for x
    x = 199,308,746.17/21,091.03
  6. Step 6: Final answer
    x = 9,449.93

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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.