Home / 10,625.80-14,663.70-5,909.96

Finding the Fourth Proportional to 10,625.80, 14,663.70 and 5,909.96

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Solution

The fourth proportional to 10,625.80, 14,663.70 and 5,909.96 is: 8,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.80 : 14,663.70 = 5,909.96 : x
  2. Step 2: Convert to fraction form
    10,625.80/14,663.70 = 5,909.96/x
  3. Step 3: Cross multiply
    10,625.80x = 14,663.70 × 5,909.96
  4. Step 4: Simplify right side
    10,625.80x = 86,661,880.45
  5. Step 5: Solve for x
    x = 86,661,880.45/10,625.80
  6. Step 6: Final answer
    x = 8,155.80

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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.