Home / 15,530.96-23,296.62-5,142.80

Finding the Fourth Proportional to 15,530.96, 23,296.62 and 5,142.80

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Solution

The fourth proportional to 15,530.96, 23,296.62 and 5,142.80 is: 7,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.96 : 23,296.62 = 5,142.80 : x
  2. Step 2: Convert to fraction form
    15,530.96/23,296.62 = 5,142.80/x
  3. Step 3: Cross multiply
    15,530.96x = 23,296.62 × 5,142.80
  4. Step 4: Simplify right side
    15,530.96x = 119,809,857.34
  5. Step 5: Solve for x
    x = 119,809,857.34/15,530.96
  6. Step 6: Final answer
    x = 7,714.26

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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.