Home / 14,011.44-21,025.08-7,434.96

Finding the Fourth Proportional to 14,011.44, 21,025.08 and 7,434.96

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Solution

The fourth proportional to 14,011.44, 21,025.08 and 7,434.96 is: 11,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.44 : 21,025.08 = 7,434.96 : x
  2. Step 2: Convert to fraction form
    14,011.44/21,025.08 = 7,434.96/x
  3. Step 3: Cross multiply
    14,011.44x = 21,025.08 × 7,434.96
  4. Step 4: Simplify right side
    14,011.44x = 156,320,628.80
  5. Step 5: Solve for x
    x = 156,320,628.80/14,011.44
  6. Step 6: Final answer
    x = 11,156.64

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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.