Home / 10,806.78-16,210.47-3,015.59

Finding the Fourth Proportional to 10,806.78, 16,210.47 and 3,015.59

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Solution

The fourth proportional to 10,806.78, 16,210.47 and 3,015.59 is: 4,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.78 : 16,210.47 = 3,015.59 : x
  2. Step 2: Convert to fraction form
    10,806.78/16,210.47 = 3,015.59/x
  3. Step 3: Cross multiply
    10,806.78x = 16,210.47 × 3,015.59
  4. Step 4: Simplify right side
    10,806.78x = 48,884,050.17
  5. Step 5: Solve for x
    x = 48,884,050.17/10,806.78
  6. Step 6: Final answer
    x = 4,523.46

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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.