Home / 11,430.12-17,146.32-4,503

Finding the Fourth Proportional to 11,430.12, 17,146.32 and 4,503

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Solution

The fourth proportional to 11,430.12, 17,146.32 and 4,503 is: 6,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.12 : 17,146.32 = 4,503 : x
  2. Step 2: Convert to fraction form
    11,430.12/17,146.32 = 4,503/x
  3. Step 3: Cross multiply
    11,430.12x = 17,146.32 × 4,503
  4. Step 4: Simplify right side
    11,430.12x = 77,209,878.96
  5. Step 5: Solve for x
    x = 77,209,878.96/11,430.12
  6. Step 6: Final answer
    x = 6,754.95

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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.