Home / 13,376.39-20,064.56-4,016.40

Finding the Fourth Proportional to 13,376.39, 20,064.56 and 4,016.40

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Solution

The fourth proportional to 13,376.39, 20,064.56 and 4,016.40 is: 6,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.39 : 20,064.56 = 4,016.40 : x
  2. Step 2: Convert to fraction form
    13,376.39/20,064.56 = 4,016.40/x
  3. Step 3: Cross multiply
    13,376.39x = 20,064.56 × 4,016.40
  4. Step 4: Simplify right side
    13,376.39x = 80,587,308.83
  5. Step 5: Solve for x
    x = 80,587,308.83/13,376.39
  6. Step 6: Final answer
    x = 6,024.59

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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.