Home / 15,173.78-22,770.92-5,313.15

Finding the Fourth Proportional to 15,173.78, 22,770.92 and 5,313.15

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Solution

The fourth proportional to 15,173.78, 22,770.92 and 5,313.15 is: 7,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.78 : 22,770.92 = 5,313.15 : x
  2. Step 2: Convert to fraction form
    15,173.78/22,770.92 = 5,313.15/x
  3. Step 3: Cross multiply
    15,173.78x = 22,770.92 × 5,313.15
  4. Step 4: Simplify right side
    15,173.78x = 120,985,326.88
  5. Step 5: Solve for x
    x = 120,985,326.88/15,173.78
  6. Step 6: Final answer
    x = 7,973.32

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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.