Home / 11,021.04-16,534.29-5,170.81

Finding the Fourth Proportional to 11,021.04, 16,534.29 and 5,170.81

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Solution

The fourth proportional to 11,021.04, 16,534.29 and 5,170.81 is: 7,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.04 : 16,534.29 = 5,170.81 : x
  2. Step 2: Convert to fraction form
    11,021.04/16,534.29 = 5,170.81/x
  3. Step 3: Cross multiply
    11,021.04x = 16,534.29 × 5,170.81
  4. Step 4: Simplify right side
    11,021.04x = 85,495,672.07
  5. Step 5: Solve for x
    x = 85,495,672.07/11,021.04
  6. Step 6: Final answer
    x = 7,757.50

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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.