Home / 11,222.03-16,833.05-3,430.78

Finding the Fourth Proportional to 11,222.03, 16,833.05 and 3,430.78

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Solution

The fourth proportional to 11,222.03, 16,833.05 and 3,430.78 is: 5,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.03 : 16,833.05 = 3,430.78 : x
  2. Step 2: Convert to fraction form
    11,222.03/16,833.05 = 3,430.78/x
  3. Step 3: Cross multiply
    11,222.03x = 16,833.05 × 3,430.78
  4. Step 4: Simplify right side
    11,222.03x = 57,750,457.77
  5. Step 5: Solve for x
    x = 57,750,457.77/11,222.03
  6. Step 6: Final answer
    x = 5,146.17

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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.