Home / 12,769.99-19,154.98-5,752.45

Finding the Fourth Proportional to 12,769.99, 19,154.98 and 5,752.45

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Solution

The fourth proportional to 12,769.99, 19,154.98 and 5,752.45 is: 8,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.99 : 19,154.98 = 5,752.45 : x
  2. Step 2: Convert to fraction form
    12,769.99/19,154.98 = 5,752.45/x
  3. Step 3: Cross multiply
    12,769.99x = 19,154.98 × 5,752.45
  4. Step 4: Simplify right side
    12,769.99x = 110,188,095.84
  5. Step 5: Solve for x
    x = 110,188,095.84/12,769.99
  6. Step 6: Final answer
    x = 8,628.68

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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.