Home / 9,329.21-12,873.72-5,137.46

Finding the Fourth Proportional to 9,329.21, 12,873.72 and 5,137.46

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Solution

The fourth proportional to 9,329.21, 12,873.72 and 5,137.46 is: 7,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.21 : 12,873.72 = 5,137.46 : x
  2. Step 2: Convert to fraction form
    9,329.21/12,873.72 = 5,137.46/x
  3. Step 3: Cross multiply
    9,329.21x = 12,873.72 × 5,137.46
  4. Step 4: Simplify right side
    9,329.21x = 66,138,131.50
  5. Step 5: Solve for x
    x = 66,138,131.50/9,329.21
  6. Step 6: Final answer
    x = 7,089.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.