Home / 13,756.34-20,615.06-6,835.70

Finding the Fourth Proportional to 13,756.34, 20,615.06 and 6,835.70

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Solution

The fourth proportional to 13,756.34, 20,615.06 and 6,835.70 is: 10,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.34 : 20,615.06 = 6,835.70 : x
  2. Step 2: Convert to fraction form
    13,756.34/20,615.06 = 6,835.70/x
  3. Step 3: Cross multiply
    13,756.34x = 20,615.06 × 6,835.70
  4. Step 4: Simplify right side
    13,756.34x = 140,918,365.64
  5. Step 5: Solve for x
    x = 140,918,365.64/13,756.34
  6. Step 6: Final answer
    x = 10,243.89

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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.