Home / 14,205.28-21,308.92-4,343.80

Finding the Fourth Proportional to 14,205.28, 21,308.92 and 4,343.80

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Solution

The fourth proportional to 14,205.28, 21,308.92 and 4,343.80 is: 6,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.28 : 21,308.92 = 4,343.80 : x
  2. Step 2: Convert to fraction form
    14,205.28/21,308.92 = 4,343.80/x
  3. Step 3: Cross multiply
    14,205.28x = 21,308.92 × 4,343.80
  4. Step 4: Simplify right side
    14,205.28x = 92,561,686.70
  5. Step 5: Solve for x
    x = 92,561,686.70/14,205.28
  6. Step 6: Final answer
    x = 6,516.01

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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.