Home / 13,100.18-19,650.26-7,549.98

Finding the Fourth Proportional to 13,100.18, 19,650.26 and 7,549.98

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Solution

The fourth proportional to 13,100.18, 19,650.26 and 7,549.98 is: 11,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.18 : 19,650.26 = 7,549.98 : x
  2. Step 2: Convert to fraction form
    13,100.18/19,650.26 = 7,549.98/x
  3. Step 3: Cross multiply
    13,100.18x = 19,650.26 × 7,549.98
  4. Step 4: Simplify right side
    13,100.18x = 148,359,069.99
  5. Step 5: Solve for x
    x = 148,359,069.99/13,100.18
  6. Step 6: Final answer
    x = 11,324.97

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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.