Home / 13,366.48-20,050.90-3,505.72

Finding the Fourth Proportional to 13,366.48, 20,050.90 and 3,505.72

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Solution

The fourth proportional to 13,366.48, 20,050.90 and 3,505.72 is: 5,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.48 : 20,050.90 = 3,505.72 : x
  2. Step 2: Convert to fraction form
    13,366.48/20,050.90 = 3,505.72/x
  3. Step 3: Cross multiply
    13,366.48x = 20,050.90 × 3,505.72
  4. Step 4: Simplify right side
    13,366.48x = 70,292,841.15
  5. Step 5: Solve for x
    x = 70,292,841.15/13,366.48
  6. Step 6: Final answer
    x = 5,258.89

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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.