Home / 11,281.41-16,929.63-5,039.34

Finding the Fourth Proportional to 11,281.41, 16,929.63 and 5,039.34

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Solution

The fourth proportional to 11,281.41, 16,929.63 and 5,039.34 is: 7,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.41 : 16,929.63 = 5,039.34 : x
  2. Step 2: Convert to fraction form
    11,281.41/16,929.63 = 5,039.34/x
  3. Step 3: Cross multiply
    11,281.41x = 16,929.63 × 5,039.34
  4. Step 4: Simplify right side
    11,281.41x = 85,314,161.64
  5. Step 5: Solve for x
    x = 85,314,161.64/11,281.41
  6. Step 6: Final answer
    x = 7,562.37

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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.