Home / 18,094.41-27,131.40-12,401.79

Finding the Fourth Proportional to 18,094.41, 27,131.40 and 12,401.79

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Solution

The fourth proportional to 18,094.41, 27,131.40 and 12,401.79 is: 18,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.41 : 27,131.40 = 12,401.79 : x
  2. Step 2: Convert to fraction form
    18,094.41/27,131.40 = 12,401.79/x
  3. Step 3: Cross multiply
    18,094.41x = 27,131.40 × 12,401.79
  4. Step 4: Simplify right side
    18,094.41x = 336,477,925.21
  5. Step 5: Solve for x
    x = 336,477,925.21/18,094.41
  6. Step 6: Final answer
    x = 18,595.68

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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.