Home / 10,806.36-16,201.66-7,287.62

Finding the Fourth Proportional to 10,806.36, 16,201.66 and 7,287.62

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Solution

The fourth proportional to 10,806.36, 16,201.66 and 7,287.62 is: 10,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.36 : 16,201.66 = 7,287.62 : x
  2. Step 2: Convert to fraction form
    10,806.36/16,201.66 = 7,287.62/x
  3. Step 3: Cross multiply
    10,806.36x = 16,201.66 × 7,287.62
  4. Step 4: Simplify right side
    10,806.36x = 118,071,541.45
  5. Step 5: Solve for x
    x = 118,071,541.45/10,806.36
  6. Step 6: Final answer
    x = 10,926.12

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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.