Home / 13,237.92-19,841.44-5,437.12

Finding the Fourth Proportional to 13,237.92, 19,841.44 and 5,437.12

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Solution

The fourth proportional to 13,237.92, 19,841.44 and 5,437.12 is: 8,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.92 : 19,841.44 = 5,437.12 : x
  2. Step 2: Convert to fraction form
    13,237.92/19,841.44 = 5,437.12/x
  3. Step 3: Cross multiply
    13,237.92x = 19,841.44 × 5,437.12
  4. Step 4: Simplify right side
    13,237.92x = 107,880,290.25
  5. Step 5: Solve for x
    x = 107,880,290.25/13,237.92
  6. Step 6: Final answer
    x = 8,149.34

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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.