Home / 11,110.46-16,665.69-7,669.58

Finding the Fourth Proportional to 11,110.46, 16,665.69 and 7,669.58

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Solution

The fourth proportional to 11,110.46, 16,665.69 and 7,669.58 is: 11,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.46 : 16,665.69 = 7,669.58 : x
  2. Step 2: Convert to fraction form
    11,110.46/16,665.69 = 7,669.58/x
  3. Step 3: Cross multiply
    11,110.46x = 16,665.69 × 7,669.58
  4. Step 4: Simplify right side
    11,110.46x = 127,818,842.71
  5. Step 5: Solve for x
    x = 127,818,842.71/11,110.46
  6. Step 6: Final answer
    x = 11,504.37

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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.