Home / 10,455.22-14,430.44-6,265.90

Finding the Fourth Proportional to 10,455.22, 14,430.44 and 6,265.90

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Solution

The fourth proportional to 10,455.22, 14,430.44 and 6,265.90 is: 8,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.22 : 14,430.44 = 6,265.90 : x
  2. Step 2: Convert to fraction form
    10,455.22/14,430.44 = 6,265.90/x
  3. Step 3: Cross multiply
    10,455.22x = 14,430.44 × 6,265.90
  4. Step 4: Simplify right side
    10,455.22x = 90,419,694.00
  5. Step 5: Solve for x
    x = 90,419,694.00/10,455.22
  6. Step 6: Final answer
    x = 8,648.28

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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.