Home / 18,340.30-27,503.40-6,491.89

Finding the Fourth Proportional to 18,340.30, 27,503.40 and 6,491.89

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Solution

The fourth proportional to 18,340.30, 27,503.40 and 6,491.89 is: 9,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.30 : 27,503.40 = 6,491.89 : x
  2. Step 2: Convert to fraction form
    18,340.30/27,503.40 = 6,491.89/x
  3. Step 3: Cross multiply
    18,340.30x = 27,503.40 × 6,491.89
  4. Step 4: Simplify right side
    18,340.30x = 178,549,004.35
  5. Step 5: Solve for x
    x = 178,549,004.35/18,340.30
  6. Step 6: Final answer
    x = 9,735.34

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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.