Home / 14,221.34-21,322.88-5,907.09

Finding the Fourth Proportional to 14,221.34, 21,322.88 and 5,907.09

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Solution

The fourth proportional to 14,221.34, 21,322.88 and 5,907.09 is: 8,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.34 : 21,322.88 = 5,907.09 : x
  2. Step 2: Convert to fraction form
    14,221.34/21,322.88 = 5,907.09/x
  3. Step 3: Cross multiply
    14,221.34x = 21,322.88 × 5,907.09
  4. Step 4: Simplify right side
    14,221.34x = 125,956,141.68
  5. Step 5: Solve for x
    x = 125,956,141.68/14,221.34
  6. Step 6: Final answer
    x = 8,856.84

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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.