Home / 10,355.03-14,292.52-6,379.55

Finding the Fourth Proportional to 10,355.03, 14,292.52 and 6,379.55

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Solution

The fourth proportional to 10,355.03, 14,292.52 and 6,379.55 is: 8,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.03 : 14,292.52 = 6,379.55 : x
  2. Step 2: Convert to fraction form
    10,355.03/14,292.52 = 6,379.55/x
  3. Step 3: Cross multiply
    10,355.03x = 14,292.52 × 6,379.55
  4. Step 4: Simplify right side
    10,355.03x = 91,179,814.07
  5. Step 5: Solve for x
    x = 91,179,814.07/10,355.03
  6. Step 6: Final answer
    x = 8,805.36

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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.