Home / 11,555.80-15,952.72-7,310.60

Finding the Fourth Proportional to 11,555.80, 15,952.72 and 7,310.60

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Solution

The fourth proportional to 11,555.80, 15,952.72 and 7,310.60 is: 10,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.80 : 15,952.72 = 7,310.60 : x
  2. Step 2: Convert to fraction form
    11,555.80/15,952.72 = 7,310.60/x
  3. Step 3: Cross multiply
    11,555.80x = 15,952.72 × 7,310.60
  4. Step 4: Simplify right side
    11,555.80x = 116,623,954.83
  5. Step 5: Solve for x
    x = 116,623,954.83/11,555.80
  6. Step 6: Final answer
    x = 10,092.24

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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.