Home / 10,430.08-15,646.43-3,410.80

Finding the Fourth Proportional to 10,430.08, 15,646.43 and 3,410.80

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Solution

The fourth proportional to 10,430.08, 15,646.43 and 3,410.80 is: 5,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.08 : 15,646.43 = 3,410.80 : x
  2. Step 2: Convert to fraction form
    10,430.08/15,646.43 = 3,410.80/x
  3. Step 3: Cross multiply
    10,430.08x = 15,646.43 × 3,410.80
  4. Step 4: Simplify right side
    10,430.08x = 53,366,843.44
  5. Step 5: Solve for x
    x = 53,366,843.44/10,430.08
  6. Step 6: Final answer
    x = 5,116.63

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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.