Home / 18,601.32-28,011.99-13,443.24

Finding the Fourth Proportional to 18,601.32, 28,011.99 and 13,443.24

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Solution

The fourth proportional to 18,601.32, 28,011.99 and 13,443.24 is: 20,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.32 : 28,011.99 = 13,443.24 : x
  2. Step 2: Convert to fraction form
    18,601.32/28,011.99 = 13,443.24/x
  3. Step 3: Cross multiply
    18,601.32x = 28,011.99 × 13,443.24
  4. Step 4: Simplify right side
    18,601.32x = 376,571,904.45
  5. Step 5: Solve for x
    x = 376,571,904.45/18,601.32
  6. Step 6: Final answer
    x = 20,244.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.