Home / 18,382.37-25,347.40-12,707.27

Finding the Fourth Proportional to 18,382.37, 25,347.40 and 12,707.27

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Solution

The fourth proportional to 18,382.37, 25,347.40 and 12,707.27 is: 17,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.37 : 25,347.40 = 12,707.27 : x
  2. Step 2: Convert to fraction form
    18,382.37/25,347.40 = 12,707.27/x
  3. Step 3: Cross multiply
    18,382.37x = 25,347.40 × 12,707.27
  4. Step 4: Simplify right side
    18,382.37x = 322,096,128.86
  5. Step 5: Solve for x
    x = 322,096,128.86/18,382.37
  6. Step 6: Final answer
    x = 17,522.01

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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.