Home / 13,647.56-20,463.03-5,317.83

Finding the Fourth Proportional to 13,647.56, 20,463.03 and 5,317.83

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Solution

The fourth proportional to 13,647.56, 20,463.03 and 5,317.83 is: 7,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.56 : 20,463.03 = 5,317.83 : x
  2. Step 2: Convert to fraction form
    13,647.56/20,463.03 = 5,317.83/x
  3. Step 3: Cross multiply
    13,647.56x = 20,463.03 × 5,317.83
  4. Step 4: Simplify right side
    13,647.56x = 108,818,857.27
  5. Step 5: Solve for x
    x = 108,818,857.27/13,647.56
  6. Step 6: Final answer
    x = 7,973.50

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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.