Home / 11,720.60-17,578.92-5,055.26

Finding the Fourth Proportional to 11,720.60, 17,578.92 and 5,055.26

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Solution

The fourth proportional to 11,720.60, 17,578.92 and 5,055.26 is: 7,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.60 : 17,578.92 = 5,055.26 : x
  2. Step 2: Convert to fraction form
    11,720.60/17,578.92 = 5,055.26/x
  3. Step 3: Cross multiply
    11,720.60x = 17,578.92 × 5,055.26
  4. Step 4: Simplify right side
    11,720.60x = 88,866,011.12
  5. Step 5: Solve for x
    x = 88,866,011.12/11,720.60
  6. Step 6: Final answer
    x = 7,582.04

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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.