Home / 11,021.40-16,528.80-5,395.56

Finding the Fourth Proportional to 11,021.40, 16,528.80 and 5,395.56

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Solution

The fourth proportional to 11,021.40, 16,528.80 and 5,395.56 is: 8,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.40 : 16,528.80 = 5,395.56 : x
  2. Step 2: Convert to fraction form
    11,021.40/16,528.80 = 5,395.56/x
  3. Step 3: Cross multiply
    11,021.40x = 16,528.80 × 5,395.56
  4. Step 4: Simplify right side
    11,021.40x = 89,182,132.13
  5. Step 5: Solve for x
    x = 89,182,132.13/11,021.40
  6. Step 6: Final answer
    x = 8,091.72

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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.