Home / 10,858.48-16,290.62-4,618.76

Finding the Fourth Proportional to 10,858.48, 16,290.62 and 4,618.76

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Solution

The fourth proportional to 10,858.48, 16,290.62 and 4,618.76 is: 6,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.48 : 16,290.62 = 4,618.76 : x
  2. Step 2: Convert to fraction form
    10,858.48/16,290.62 = 4,618.76/x
  3. Step 3: Cross multiply
    10,858.48x = 16,290.62 × 4,618.76
  4. Step 4: Simplify right side
    10,858.48x = 75,242,464.03
  5. Step 5: Solve for x
    x = 75,242,464.03/10,858.48
  6. Step 6: Final answer
    x = 6,929.37

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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.