Home / 12,800.76-19,203.06-3,567.48

Finding the Fourth Proportional to 12,800.76, 19,203.06 and 3,567.48

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Solution

The fourth proportional to 12,800.76, 19,203.06 and 3,567.48 is: 5,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.76 : 19,203.06 = 3,567.48 : x
  2. Step 2: Convert to fraction form
    12,800.76/19,203.06 = 3,567.48/x
  3. Step 3: Cross multiply
    12,800.76x = 19,203.06 × 3,567.48
  4. Step 4: Simplify right side
    12,800.76x = 68,506,532.49
  5. Step 5: Solve for x
    x = 68,506,532.49/12,800.76
  6. Step 6: Final answer
    x = 5,351.76

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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.