Home / 11,315.28-17,059.77-10,553.01

Finding the Fourth Proportional to 11,315.28, 17,059.77 and 10,553.01

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Solution

The fourth proportional to 11,315.28, 17,059.77 and 10,553.01 is: 15,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.28 : 17,059.77 = 10,553.01 : x
  2. Step 2: Convert to fraction form
    11,315.28/17,059.77 = 10,553.01/x
  3. Step 3: Cross multiply
    11,315.28x = 17,059.77 × 10,553.01
  4. Step 4: Simplify right side
    11,315.28x = 180,031,923.41
  5. Step 5: Solve for x
    x = 180,031,923.41/11,315.28
  6. Step 6: Final answer
    x = 15,910.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.