Home / 11,021.68-16,534.34-5,475.21

Finding the Fourth Proportional to 11,021.68, 16,534.34 and 5,475.21

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Solution

The fourth proportional to 11,021.68, 16,534.34 and 5,475.21 is: 8,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.68 : 16,534.34 = 5,475.21 : x
  2. Step 2: Convert to fraction form
    11,021.68/16,534.34 = 5,475.21/x
  3. Step 3: Cross multiply
    11,021.68x = 16,534.34 × 5,475.21
  4. Step 4: Simplify right side
    11,021.68x = 90,528,983.71
  5. Step 5: Solve for x
    x = 90,528,983.71/11,021.68
  6. Step 6: Final answer
    x = 8,213.72

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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.