Home / 12,769.83-19,154.75-4,005.45

Finding the Fourth Proportional to 12,769.83, 19,154.75 and 4,005.45

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Solution

The fourth proportional to 12,769.83, 19,154.75 and 4,005.45 is: 6,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.83 : 19,154.75 = 4,005.45 : x
  2. Step 2: Convert to fraction form
    12,769.83/19,154.75 = 4,005.45/x
  3. Step 3: Cross multiply
    12,769.83x = 19,154.75 × 4,005.45
  4. Step 4: Simplify right side
    12,769.83x = 76,723,373.36
  5. Step 5: Solve for x
    x = 76,723,373.36/12,769.83
  6. Step 6: Final answer
    x = 6,008.18

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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.