Home / 13,795.34-20,655.83-8,770.54

Finding the Fourth Proportional to 13,795.34, 20,655.83 and 8,770.54

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Solution

The fourth proportional to 13,795.34, 20,655.83 and 8,770.54 is: 13,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.34 : 20,655.83 = 8,770.54 : x
  2. Step 2: Convert to fraction form
    13,795.34/20,655.83 = 8,770.54/x
  3. Step 3: Cross multiply
    13,795.34x = 20,655.83 × 8,770.54
  4. Step 4: Simplify right side
    13,795.34x = 181,162,808.71
  5. Step 5: Solve for x
    x = 181,162,808.71/13,795.34
  6. Step 6: Final answer
    x = 13,132.17

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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.