Home / 13,762.05-18,999.51-9,060

Finding the Fourth Proportional to 13,762.05, 18,999.51 and 9,060

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Solution

The fourth proportional to 13,762.05, 18,999.51 and 9,060 is: 12,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.05 : 18,999.51 = 9,060 : x
  2. Step 2: Convert to fraction form
    13,762.05/18,999.51 = 9,060/x
  3. Step 3: Cross multiply
    13,762.05x = 18,999.51 × 9,060
  4. Step 4: Simplify right side
    13,762.05x = 172,135,560.60
  5. Step 5: Solve for x
    x = 172,135,560.60/13,762.05
  6. Step 6: Final answer
    x = 12,507.99

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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.