Home / 18,038.13-27,057.12-4,890.46

Finding the Fourth Proportional to 18,038.13, 27,057.12 and 4,890.46

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Solution

The fourth proportional to 18,038.13, 27,057.12 and 4,890.46 is: 7,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.13 : 27,057.12 = 4,890.46 : x
  2. Step 2: Convert to fraction form
    18,038.13/27,057.12 = 4,890.46/x
  3. Step 3: Cross multiply
    18,038.13x = 27,057.12 × 4,890.46
  4. Step 4: Simplify right side
    18,038.13x = 132,321,763.08
  5. Step 5: Solve for x
    x = 132,321,763.08/18,038.13
  6. Step 6: Final answer
    x = 7,335.67

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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.