Home / 10,405.41-15,605.55-3,008.22

Finding the Fourth Proportional to 10,405.41, 15,605.55 and 3,008.22

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Solution

The fourth proportional to 10,405.41, 15,605.55 and 3,008.22 is: 4,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.41 : 15,605.55 = 3,008.22 : x
  2. Step 2: Convert to fraction form
    10,405.41/15,605.55 = 3,008.22/x
  3. Step 3: Cross multiply
    10,405.41x = 15,605.55 × 3,008.22
  4. Step 4: Simplify right side
    10,405.41x = 46,944,927.62
  5. Step 5: Solve for x
    x = 46,944,927.62/10,405.41
  6. Step 6: Final answer
    x = 4,511.59

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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.