Home / 14,222.64-21,337.20-5,461.68

Finding the Fourth Proportional to 14,222.64, 21,337.20 and 5,461.68

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Solution

The fourth proportional to 14,222.64, 21,337.20 and 5,461.68 is: 8,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.64 : 21,337.20 = 5,461.68 : x
  2. Step 2: Convert to fraction form
    14,222.64/21,337.20 = 5,461.68/x
  3. Step 3: Cross multiply
    14,222.64x = 21,337.20 × 5,461.68
  4. Step 4: Simplify right side
    14,222.64x = 116,536,958.50
  5. Step 5: Solve for x
    x = 116,536,958.50/14,222.64
  6. Step 6: Final answer
    x = 8,193.76

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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.