Home / 18,347.86-27,475.05-12,088.90

Finding the Fourth Proportional to 18,347.86, 27,475.05 and 12,088.90

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Solution

The fourth proportional to 18,347.86, 27,475.05 and 12,088.90 is: 18,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.86 : 27,475.05 = 12,088.90 : x
  2. Step 2: Convert to fraction form
    18,347.86/27,475.05 = 12,088.90/x
  3. Step 3: Cross multiply
    18,347.86x = 27,475.05 × 12,088.90
  4. Step 4: Simplify right side
    18,347.86x = 332,143,147.57
  5. Step 5: Solve for x
    x = 332,143,147.57/18,347.86
  6. Step 6: Final answer
    x = 18,102.56

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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.