Home / 11,057.28-16,574.88-6,129.12

Finding the Fourth Proportional to 11,057.28, 16,574.88 and 6,129.12

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Solution

The fourth proportional to 11,057.28, 16,574.88 and 6,129.12 is: 9,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.28 : 16,574.88 = 6,129.12 : x
  2. Step 2: Convert to fraction form
    11,057.28/16,574.88 = 6,129.12/x
  3. Step 3: Cross multiply
    11,057.28x = 16,574.88 × 6,129.12
  4. Step 4: Simplify right side
    11,057.28x = 101,589,428.51
  5. Step 5: Solve for x
    x = 101,589,428.51/11,057.28
  6. Step 6: Final answer
    x = 9,187.56

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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.