Home / 13,350.46-20,019.60-7,108.86

Finding the Fourth Proportional to 13,350.46, 20,019.60 and 7,108.86

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Solution

The fourth proportional to 13,350.46, 20,019.60 and 7,108.86 is: 10,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.46 : 20,019.60 = 7,108.86 : x
  2. Step 2: Convert to fraction form
    13,350.46/20,019.60 = 7,108.86/x
  3. Step 3: Cross multiply
    13,350.46x = 20,019.60 × 7,108.86
  4. Step 4: Simplify right side
    13,350.46x = 142,316,533.66
  5. Step 5: Solve for x
    x = 142,316,533.66/13,350.46
  6. Step 6: Final answer
    x = 10,660.05

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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.