Home / 11,021.66-16,525.14-5,688.15

Finding the Fourth Proportional to 11,021.66, 16,525.14 and 5,688.15

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Solution

The fourth proportional to 11,021.66, 16,525.14 and 5,688.15 is: 8,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.66 : 16,525.14 = 5,688.15 : x
  2. Step 2: Convert to fraction form
    11,021.66/16,525.14 = 5,688.15/x
  3. Step 3: Cross multiply
    11,021.66x = 16,525.14 × 5,688.15
  4. Step 4: Simplify right side
    11,021.66x = 93,997,475.09
  5. Step 5: Solve for x
    x = 93,997,475.09/11,021.66
  6. Step 6: Final answer
    x = 8,528.44

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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.