Home / 13,336.39-20,001.48-3,975.55

Finding the Fourth Proportional to 13,336.39, 20,001.48 and 3,975.55

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Solution

The fourth proportional to 13,336.39, 20,001.48 and 3,975.55 is: 5,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.39 : 20,001.48 = 3,975.55 : x
  2. Step 2: Convert to fraction form
    13,336.39/20,001.48 = 3,975.55/x
  3. Step 3: Cross multiply
    13,336.39x = 20,001.48 × 3,975.55
  4. Step 4: Simplify right side
    13,336.39x = 79,516,883.81
  5. Step 5: Solve for x
    x = 79,516,883.81/13,336.39
  6. Step 6: Final answer
    x = 5,962.40

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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.