Home / 18,312.56-27,419.63-15,064.86

Finding the Fourth Proportional to 18,312.56, 27,419.63 and 15,064.86

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Solution

The fourth proportional to 18,312.56, 27,419.63 and 15,064.86 is: 22,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.56 : 27,419.63 = 15,064.86 : x
  2. Step 2: Convert to fraction form
    18,312.56/27,419.63 = 15,064.86/x
  3. Step 3: Cross multiply
    18,312.56x = 27,419.63 × 15,064.86
  4. Step 4: Simplify right side
    18,312.56x = 413,072,811.88
  5. Step 5: Solve for x
    x = 413,072,811.88/18,312.56
  6. Step 6: Final answer
    x = 22,556.81

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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.