Home / 13,231.36-19,847.16-5,437.12

Finding the Fourth Proportional to 13,231.36, 19,847.16 and 5,437.12

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Solution

The fourth proportional to 13,231.36, 19,847.16 and 5,437.12 is: 8,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.36 : 19,847.16 = 5,437.12 : x
  2. Step 2: Convert to fraction form
    13,231.36/19,847.16 = 5,437.12/x
  3. Step 3: Cross multiply
    13,231.36x = 19,847.16 × 5,437.12
  4. Step 4: Simplify right side
    13,231.36x = 107,911,390.58
  5. Step 5: Solve for x
    x = 107,911,390.58/13,231.36
  6. Step 6: Final answer
    x = 8,155.73

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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.