Home / 11,631.31-17,445.31-3,732.80

Finding the Fourth Proportional to 11,631.31, 17,445.31 and 3,732.80

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Solution

The fourth proportional to 11,631.31, 17,445.31 and 3,732.80 is: 5,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.31 : 17,445.31 = 3,732.80 : x
  2. Step 2: Convert to fraction form
    11,631.31/17,445.31 = 3,732.80/x
  3. Step 3: Cross multiply
    11,631.31x = 17,445.31 × 3,732.80
  4. Step 4: Simplify right side
    11,631.31x = 65,119,901.45
  5. Step 5: Solve for x
    x = 65,119,901.45/11,631.31
  6. Step 6: Final answer
    x = 5,598.67

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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.