Home / 13,087.96-19,631.94-9,209.68

Finding the Fourth Proportional to 13,087.96, 19,631.94 and 9,209.68

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Solution

The fourth proportional to 13,087.96, 19,631.94 and 9,209.68 is: 13,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.96 : 19,631.94 = 9,209.68 : x
  2. Step 2: Convert to fraction form
    13,087.96/19,631.94 = 9,209.68/x
  3. Step 3: Cross multiply
    13,087.96x = 19,631.94 × 9,209.68
  4. Step 4: Simplify right side
    13,087.96x = 180,803,885.18
  5. Step 5: Solve for x
    x = 180,803,885.18/13,087.96
  6. Step 6: Final answer
    x = 13,814.52

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Similar ratio
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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.