Home / 13,621.03-18,795.94-7,652.50

Finding the Fourth Proportional to 13,621.03, 18,795.94 and 7,652.50

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Solution

The fourth proportional to 13,621.03, 18,795.94 and 7,652.50 is: 10,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.03 : 18,795.94 = 7,652.50 : x
  2. Step 2: Convert to fraction form
    13,621.03/18,795.94 = 7,652.50/x
  3. Step 3: Cross multiply
    13,621.03x = 18,795.94 × 7,652.50
  4. Step 4: Simplify right side
    13,621.03x = 143,835,864.73
  5. Step 5: Solve for x
    x = 143,835,864.73/13,621.03
  6. Step 6: Final answer
    x = 10,559.84

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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.