Home / 15,540.83-23,291.64-6,645.64

Finding the Fourth Proportional to 15,540.83, 23,291.64 and 6,645.64

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Solution

The fourth proportional to 15,540.83, 23,291.64 and 6,645.64 is: 9,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.83 : 23,291.64 = 6,645.64 : x
  2. Step 2: Convert to fraction form
    15,540.83/23,291.64 = 6,645.64/x
  3. Step 3: Cross multiply
    15,540.83x = 23,291.64 × 6,645.64
  4. Step 4: Simplify right side
    15,540.83x = 154,787,821.22
  5. Step 5: Solve for x
    x = 154,787,821.22/15,540.83
  6. Step 6: Final answer
    x = 9,960.08

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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.