Home / 10,290.98-14,201.55-5,575.26

Finding the Fourth Proportional to 10,290.98, 14,201.55 and 5,575.26

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Solution

The fourth proportional to 10,290.98, 14,201.55 and 5,575.26 is: 7,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.98 : 14,201.55 = 5,575.26 : x
  2. Step 2: Convert to fraction form
    10,290.98/14,201.55 = 5,575.26/x
  3. Step 3: Cross multiply
    10,290.98x = 14,201.55 × 5,575.26
  4. Step 4: Simplify right side
    10,290.98x = 79,177,333.65
  5. Step 5: Solve for x
    x = 79,177,333.65/10,290.98
  6. Step 6: Final answer
    x = 7,693.86

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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.