Home / 11,400.28-17,089.49-3,603.76

Finding the Fourth Proportional to 11,400.28, 17,089.49 and 3,603.76

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Solution

The fourth proportional to 11,400.28, 17,089.49 and 3,603.76 is: 5,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.28 : 17,089.49 = 3,603.76 : x
  2. Step 2: Convert to fraction form
    11,400.28/17,089.49 = 3,603.76/x
  3. Step 3: Cross multiply
    11,400.28x = 17,089.49 × 3,603.76
  4. Step 4: Simplify right side
    11,400.28x = 61,586,402.46
  5. Step 5: Solve for x
    x = 61,586,402.46/11,400.28
  6. Step 6: Final answer
    x = 5,402.18

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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.