Home / 19,260.16-28,850.82-13,322.32

Finding the Fourth Proportional to 19,260.16, 28,850.82 and 13,322.32

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Solution

The fourth proportional to 19,260.16, 28,850.82 and 13,322.32 is: 19,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.16 : 28,850.82 = 13,322.32 : x
  2. Step 2: Convert to fraction form
    19,260.16/28,850.82 = 13,322.32/x
  3. Step 3: Cross multiply
    19,260.16x = 28,850.82 × 13,322.32
  4. Step 4: Simplify right side
    19,260.16x = 384,359,856.30
  5. Step 5: Solve for x
    x = 384,359,856.30/19,260.16
  6. Step 6: Final answer
    x = 19,956.21

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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.