Home / 13,665.84-20,485.80-6,732.24

Finding the Fourth Proportional to 13,665.84, 20,485.80 and 6,732.24

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Solution

The fourth proportional to 13,665.84, 20,485.80 and 6,732.24 is: 10,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.84 : 20,485.80 = 6,732.24 : x
  2. Step 2: Convert to fraction form
    13,665.84/20,485.80 = 6,732.24/x
  3. Step 3: Cross multiply
    13,665.84x = 20,485.80 × 6,732.24
  4. Step 4: Simplify right side
    13,665.84x = 137,915,322.19
  5. Step 5: Solve for x
    x = 137,915,322.19/13,665.84
  6. Step 6: Final answer
    x = 10,091.98

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1.5x scale

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.