Home / 11,430.11-15,772.12-6,893.03

Finding the Fourth Proportional to 11,430.11, 15,772.12 and 6,893.03

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Solution

The fourth proportional to 11,430.11, 15,772.12 and 6,893.03 is: 9,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.11 : 15,772.12 = 6,893.03 : x
  2. Step 2: Convert to fraction form
    11,430.11/15,772.12 = 6,893.03/x
  3. Step 3: Cross multiply
    11,430.11x = 15,772.12 × 6,893.03
  4. Step 4: Simplify right side
    11,430.11x = 108,717,583.00
  5. Step 5: Solve for x
    x = 108,717,583.00/11,430.11
  6. Step 6: Final answer
    x = 9,511.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.