Home / 11,110.69-16,672.75-4,871.05

Finding the Fourth Proportional to 11,110.69, 16,672.75 and 4,871.05

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Solution

The fourth proportional to 11,110.69, 16,672.75 and 4,871.05 is: 7,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.69 : 16,672.75 = 4,871.05 : x
  2. Step 2: Convert to fraction form
    11,110.69/16,672.75 = 4,871.05/x
  3. Step 3: Cross multiply
    11,110.69x = 16,672.75 × 4,871.05
  4. Step 4: Simplify right side
    11,110.69x = 81,213,798.89
  5. Step 5: Solve for x
    x = 81,213,798.89/11,110.69
  6. Step 6: Final answer
    x = 7,309.52

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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.