Home / 10,965.43-16,430.86-6,577.39

Finding the Fourth Proportional to 10,965.43, 16,430.86 and 6,577.39

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Solution

The fourth proportional to 10,965.43, 16,430.86 and 6,577.39 is: 9,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.43 : 16,430.86 = 6,577.39 : x
  2. Step 2: Convert to fraction form
    10,965.43/16,430.86 = 6,577.39/x
  3. Step 3: Cross multiply
    10,965.43x = 16,430.86 × 6,577.39
  4. Step 4: Simplify right side
    10,965.43x = 108,072,174.26
  5. Step 5: Solve for x
    x = 108,072,174.26/10,965.43
  6. Step 6: Final answer
    x = 9,855.72

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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.