Home / 16,831.09-25,250.34-5,145.22

Finding the Fourth Proportional to 16,831.09, 25,250.34 and 5,145.22

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Solution

The fourth proportional to 16,831.09, 25,250.34 and 5,145.22 is: 7,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.09 : 25,250.34 = 5,145.22 : x
  2. Step 2: Convert to fraction form
    16,831.09/25,250.34 = 5,145.22/x
  3. Step 3: Cross multiply
    16,831.09x = 25,250.34 × 5,145.22
  4. Step 4: Simplify right side
    16,831.09x = 129,918,554.37
  5. Step 5: Solve for x
    x = 129,918,554.37/16,831.09
  6. Step 6: Final answer
    x = 7,718.96

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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.