Home / 13,888.11-20,836.35-6,496.86

Finding the Fourth Proportional to 13,888.11, 20,836.35 and 6,496.86

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Solution

The fourth proportional to 13,888.11, 20,836.35 and 6,496.86 is: 9,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.11 : 20,836.35 = 6,496.86 : x
  2. Step 2: Convert to fraction form
    13,888.11/20,836.35 = 6,496.86/x
  3. Step 3: Cross multiply
    13,888.11x = 20,836.35 × 6,496.86
  4. Step 4: Simplify right side
    13,888.11x = 135,370,848.86
  5. Step 5: Solve for x
    x = 135,370,848.86/13,888.11
  6. Step 6: Final answer
    x = 9,747.25

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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.