Home / 18,031.39-27,038.13-6,181.83

Finding the Fourth Proportional to 18,031.39, 27,038.13 and 6,181.83

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Solution

The fourth proportional to 18,031.39, 27,038.13 and 6,181.83 is: 9,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.39 : 27,038.13 = 6,181.83 : x
  2. Step 2: Convert to fraction form
    18,031.39/27,038.13 = 6,181.83/x
  3. Step 3: Cross multiply
    18,031.39x = 27,038.13 × 6,181.83
  4. Step 4: Simplify right side
    18,031.39x = 167,145,123.18
  5. Step 5: Solve for x
    x = 167,145,123.18/18,031.39
  6. Step 6: Final answer
    x = 9,269.67

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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.