Home / 13,487.93-20,242.49-9,357.01

Finding the Fourth Proportional to 13,487.93, 20,242.49 and 9,357.01

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Solution

The fourth proportional to 13,487.93, 20,242.49 and 9,357.01 is: 14,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.93 : 20,242.49 = 9,357.01 : x
  2. Step 2: Convert to fraction form
    13,487.93/20,242.49 = 9,357.01/x
  3. Step 3: Cross multiply
    13,487.93x = 20,242.49 × 9,357.01
  4. Step 4: Simplify right side
    13,487.93x = 189,409,083.96
  5. Step 5: Solve for x
    x = 189,409,083.96/13,487.93
  6. Step 6: Final answer
    x = 14,042.86

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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.