Home / 13,229.71-19,845.01-6,652.30

Finding the Fourth Proportional to 13,229.71, 19,845.01 and 6,652.30

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Solution

The fourth proportional to 13,229.71, 19,845.01 and 6,652.30 is: 9,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.71 : 19,845.01 = 6,652.30 : x
  2. Step 2: Convert to fraction form
    13,229.71/19,845.01 = 6,652.30/x
  3. Step 3: Cross multiply
    13,229.71x = 19,845.01 × 6,652.30
  4. Step 4: Simplify right side
    13,229.71x = 132,014,960.02
  5. Step 5: Solve for x
    x = 132,014,960.02/13,229.71
  6. Step 6: Final answer
    x = 9,978.67

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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.