Home / 10,189.48-15,264.54-7,516.36

Finding the Fourth Proportional to 10,189.48, 15,264.54 and 7,516.36

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Solution

The fourth proportional to 10,189.48, 15,264.54 and 7,516.36 is: 11,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.48 : 15,264.54 = 7,516.36 : x
  2. Step 2: Convert to fraction form
    10,189.48/15,264.54 = 7,516.36/x
  3. Step 3: Cross multiply
    10,189.48x = 15,264.54 × 7,516.36
  4. Step 4: Simplify right side
    10,189.48x = 114,733,777.87
  5. Step 5: Solve for x
    x = 114,733,777.87/10,189.48
  6. Step 6: Final answer
    x = 11,260.02

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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.