Home / 15,388.08-23,073.92-7,985.09

Finding the Fourth Proportional to 15,388.08, 23,073.92 and 7,985.09

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Solution

The fourth proportional to 15,388.08, 23,073.92 and 7,985.09 is: 11,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.08 : 23,073.92 = 7,985.09 : x
  2. Step 2: Convert to fraction form
    15,388.08/23,073.92 = 7,985.09/x
  3. Step 3: Cross multiply
    15,388.08x = 23,073.92 × 7,985.09
  4. Step 4: Simplify right side
    15,388.08x = 184,247,172.56
  5. Step 5: Solve for x
    x = 184,247,172.56/15,388.08
  6. Step 6: Final answer
    x = 11,973.37

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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.