Home / 11,878.00-16,390.96-6,572.50

Finding the Fourth Proportional to 11,878.00, 16,390.96 and 6,572.50

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Solution

The fourth proportional to 11,878.00, 16,390.96 and 6,572.50 is: 9,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.00 : 16,390.96 = 6,572.50 : x
  2. Step 2: Convert to fraction form
    11,878.00/16,390.96 = 6,572.50/x
  3. Step 3: Cross multiply
    11,878.00x = 16,390.96 × 6,572.50
  4. Step 4: Simplify right side
    11,878.00x = 107,729,527.19
  5. Step 5: Solve for x
    x = 107,729,527.19/11,878.00
  6. Step 6: Final answer
    x = 9,069.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.