Home / 13,583.27-20,379.34-6,564.09

Finding the Fourth Proportional to 13,583.27, 20,379.34 and 6,564.09

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Solution

The fourth proportional to 13,583.27, 20,379.34 and 6,564.09 is: 9,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.27 : 20,379.34 = 6,564.09 : x
  2. Step 2: Convert to fraction form
    13,583.27/20,379.34 = 6,564.09/x
  3. Step 3: Cross multiply
    13,583.27x = 20,379.34 × 6,564.09
  4. Step 4: Simplify right side
    13,583.27x = 133,771,830.11
  5. Step 5: Solve for x
    x = 133,771,830.11/13,583.27
  6. Step 6: Final answer
    x = 9,848.28

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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.