Home / 13,539.72-20,270.70-10,005.96

Finding the Fourth Proportional to 13,539.72, 20,270.70 and 10,005.96

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Solution

The fourth proportional to 13,539.72, 20,270.70 and 10,005.96 is: 14,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.72 : 20,270.70 = 10,005.96 : x
  2. Step 2: Convert to fraction form
    13,539.72/20,270.70 = 10,005.96/x
  3. Step 3: Cross multiply
    13,539.72x = 20,270.70 × 10,005.96
  4. Step 4: Simplify right side
    13,539.72x = 202,827,813.37
  5. Step 5: Solve for x
    x = 202,827,813.37/13,539.72
  6. Step 6: Final answer
    x = 14,980.21

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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.