Home / 13,352.29-19,977.54-8,287.27

Finding the Fourth Proportional to 13,352.29, 19,977.54 and 8,287.27

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Solution

The fourth proportional to 13,352.29, 19,977.54 and 8,287.27 is: 12,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.29 : 19,977.54 = 8,287.27 : x
  2. Step 2: Convert to fraction form
    13,352.29/19,977.54 = 8,287.27/x
  3. Step 3: Cross multiply
    13,352.29x = 19,977.54 × 8,287.27
  4. Step 4: Simplify right side
    13,352.29x = 165,559,267.92
  5. Step 5: Solve for x
    x = 165,559,267.92/13,352.29
  6. Step 6: Final answer
    x = 12,399.32

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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.