Home / 13,655.84-20,495.97-6,996.88

Finding the Fourth Proportional to 13,655.84, 20,495.97 and 6,996.88

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Solution

The fourth proportional to 13,655.84, 20,495.97 and 6,996.88 is: 10,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.84 : 20,495.97 = 6,996.88 : x
  2. Step 2: Convert to fraction form
    13,655.84/20,495.97 = 6,996.88/x
  3. Step 3: Cross multiply
    13,655.84x = 20,495.97 × 6,996.88
  4. Step 4: Simplify right side
    13,655.84x = 143,407,842.57
  5. Step 5: Solve for x
    x = 143,407,842.57/13,655.84
  6. Step 6: Final answer
    x = 10,501.58

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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.