Home / 10,403.91-15,603.30-3,006.72

Finding the Fourth Proportional to 10,403.91, 15,603.30 and 3,006.72

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Solution

The fourth proportional to 10,403.91, 15,603.30 and 3,006.72 is: 4,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.91 : 15,603.30 = 3,006.72 : x
  2. Step 2: Convert to fraction form
    10,403.91/15,603.30 = 3,006.72/x
  3. Step 3: Cross multiply
    10,403.91x = 15,603.30 × 3,006.72
  4. Step 4: Simplify right side
    10,403.91x = 46,914,754.18
  5. Step 5: Solve for x
    x = 46,914,754.18/10,403.91
  6. Step 6: Final answer
    x = 4,509.34

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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.