Home / 12,989.56-17,925.23-7,324.26

Finding the Fourth Proportional to 12,989.56, 17,925.23 and 7,324.26

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Solution

The fourth proportional to 12,989.56, 17,925.23 and 7,324.26 is: 10,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989.56 : 17,925.23 = 7,324.26 : x
  2. Step 2: Convert to fraction form
    12,989.56/17,925.23 = 7,324.26/x
  3. Step 3: Cross multiply
    12,989.56x = 17,925.23 × 7,324.26
  4. Step 4: Simplify right side
    12,989.56x = 131,289,045.08
  5. Step 5: Solve for x
    x = 131,289,045.08/12,989.56
  6. Step 6: Final answer
    x = 10,107.27

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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.