Home / 13,650.19-20,475.38-4,416.19

Finding the Fourth Proportional to 13,650.19, 20,475.38 and 4,416.19

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Solution

The fourth proportional to 13,650.19, 20,475.38 and 4,416.19 is: 6,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.19 : 20,475.38 = 4,416.19 : x
  2. Step 2: Convert to fraction form
    13,650.19/20,475.38 = 4,416.19/x
  3. Step 3: Cross multiply
    13,650.19x = 20,475.38 × 4,416.19
  4. Step 4: Simplify right side
    13,650.19x = 90,423,128.25
  5. Step 5: Solve for x
    x = 90,423,128.25/13,650.19
  6. Step 6: Final answer
    x = 6,624.31

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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.