Home / 13,207.35-19,811.03-8,557.25

Finding the Fourth Proportional to 13,207.35, 19,811.03 and 8,557.25

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Solution

The fourth proportional to 13,207.35, 19,811.03 and 8,557.25 is: 12,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.35 : 19,811.03 = 8,557.25 : x
  2. Step 2: Convert to fraction form
    13,207.35/19,811.03 = 8,557.25/x
  3. Step 3: Cross multiply
    13,207.35x = 19,811.03 × 8,557.25
  4. Step 4: Simplify right side
    13,207.35x = 169,527,842.76
  5. Step 5: Solve for x
    x = 169,527,842.76/13,207.35
  6. Step 6: Final answer
    x = 12,835.87

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Double scale
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Similar ratio
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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.