Home / 13,251.06-19,871.91-6,234.35

Finding the Fourth Proportional to 13,251.06, 19,871.91 and 6,234.35

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Solution

The fourth proportional to 13,251.06, 19,871.91 and 6,234.35 is: 9,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.06 : 19,871.91 = 6,234.35 : x
  2. Step 2: Convert to fraction form
    13,251.06/19,871.91 = 6,234.35/x
  3. Step 3: Cross multiply
    13,251.06x = 19,871.91 × 6,234.35
  4. Step 4: Simplify right side
    13,251.06x = 123,888,342.75
  5. Step 5: Solve for x
    x = 123,888,342.75/13,251.06
  6. Step 6: Final answer
    x = 9,349.32

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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.