Home / 13,985.04-20,998.23-9,334.02

Finding the Fourth Proportional to 13,985.04, 20,998.23 and 9,334.02

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Solution

The fourth proportional to 13,985.04, 20,998.23 and 9,334.02 is: 14,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.04 : 20,998.23 = 9,334.02 : x
  2. Step 2: Convert to fraction form
    13,985.04/20,998.23 = 9,334.02/x
  3. Step 3: Cross multiply
    13,985.04x = 20,998.23 × 9,334.02
  4. Step 4: Simplify right side
    13,985.04x = 195,997,898.78
  5. Step 5: Solve for x
    x = 195,997,898.78/13,985.04
  6. Step 6: Final answer
    x = 14,014.83

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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.