Home / 13,740.10-20,616.72-9,529.81

Finding the Fourth Proportional to 13,740.10, 20,616.72 and 9,529.81

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Solution

The fourth proportional to 13,740.10, 20,616.72 and 9,529.81 is: 14,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.10 : 20,616.72 = 9,529.81 : x
  2. Step 2: Convert to fraction form
    13,740.10/20,616.72 = 9,529.81/x
  3. Step 3: Cross multiply
    13,740.10x = 20,616.72 × 9,529.81
  4. Step 4: Simplify right side
    13,740.10x = 196,473,424.42
  5. Step 5: Solve for x
    x = 196,473,424.42/13,740.10
  6. Step 6: Final answer
    x = 14,299.27

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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.