Home / 13,269.80-19,899.03-4,500.74

Finding the Fourth Proportional to 13,269.80, 19,899.03 and 4,500.74

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Solution

The fourth proportional to 13,269.80, 19,899.03 and 4,500.74 is: 6,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.80 : 19,899.03 = 4,500.74 : x
  2. Step 2: Convert to fraction form
    13,269.80/19,899.03 = 4,500.74/x
  3. Step 3: Cross multiply
    13,269.80x = 19,899.03 × 4,500.74
  4. Step 4: Simplify right side
    13,269.80x = 89,560,360.28
  5. Step 5: Solve for x
    x = 89,560,360.28/13,269.80
  6. Step 6: Final answer
    x = 6,749.19

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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.