Home / 18,460.32-25,429.44-13,409.76

Finding the Fourth Proportional to 18,460.32, 25,429.44 and 13,409.76

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Solution

The fourth proportional to 18,460.32, 25,429.44 and 13,409.76 is: 18,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.32 : 25,429.44 = 13,409.76 : x
  2. Step 2: Convert to fraction form
    18,460.32/25,429.44 = 13,409.76/x
  3. Step 3: Cross multiply
    18,460.32x = 25,429.44 × 13,409.76
  4. Step 4: Simplify right side
    18,460.32x = 341,002,687.33
  5. Step 5: Solve for x
    x = 341,002,687.33/18,460.32
  6. Step 6: Final answer
    x = 18,472.20

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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.