Home / 14,022.32-21,036.88-5,257.32

Finding the Fourth Proportional to 14,022.32, 21,036.88 and 5,257.32

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Solution

The fourth proportional to 14,022.32, 21,036.88 and 5,257.32 is: 7,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.32 : 21,036.88 = 5,257.32 : x
  2. Step 2: Convert to fraction form
    14,022.32/21,036.88 = 5,257.32/x
  3. Step 3: Cross multiply
    14,022.32x = 21,036.88 × 5,257.32
  4. Step 4: Simplify right side
    14,022.32x = 110,597,609.96
  5. Step 5: Solve for x
    x = 110,597,609.96/14,022.32
  6. Step 6: Final answer
    x = 7,887.25

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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.