Home / 14,203.87-21,308.85-4,343.88

Finding the Fourth Proportional to 14,203.87, 21,308.85 and 4,343.88

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Solution

The fourth proportional to 14,203.87, 21,308.85 and 4,343.88 is: 6,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.87 : 21,308.85 = 4,343.88 : x
  2. Step 2: Convert to fraction form
    14,203.87/21,308.85 = 4,343.88/x
  3. Step 3: Cross multiply
    14,203.87x = 21,308.85 × 4,343.88
  4. Step 4: Simplify right side
    14,203.87x = 92,563,087.34
  5. Step 5: Solve for x
    x = 92,563,087.34/14,203.87
  6. Step 6: Final answer
    x = 6,516.75

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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.