Home / 13,336.56-20,010.60-7,484.40

Finding the Fourth Proportional to 13,336.56, 20,010.60 and 7,484.40

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Solution

The fourth proportional to 13,336.56, 20,010.60 and 7,484.40 is: 11,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.56 : 20,010.60 = 7,484.40 : x
  2. Step 2: Convert to fraction form
    13,336.56/20,010.60 = 7,484.40/x
  3. Step 3: Cross multiply
    13,336.56x = 20,010.60 × 7,484.40
  4. Step 4: Simplify right side
    13,336.56x = 149,767,334.64
  5. Step 5: Solve for x
    x = 149,767,334.64/13,336.56
  6. Step 6: Final answer
    x = 11,229.83

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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.