Home / 22,370.64-33,505.32-12,870.96

Finding the Fourth Proportional to 22,370.64, 33,505.32 and 12,870.96

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Solution

The fourth proportional to 22,370.64, 33,505.32 and 12,870.96 is: 19,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.64 : 33,505.32 = 12,870.96 : x
  2. Step 2: Convert to fraction form
    22,370.64/33,505.32 = 12,870.96/x
  3. Step 3: Cross multiply
    22,370.64x = 33,505.32 × 12,870.96
  4. Step 4: Simplify right side
    22,370.64x = 431,245,633.51
  5. Step 5: Solve for x
    x = 431,245,633.51/22,370.64
  6. Step 6: Final answer
    x = 19,277.30

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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.