Home / 12,776.63-19,165.11-4,011.54

Finding the Fourth Proportional to 12,776.63, 19,165.11 and 4,011.54

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Solution

The fourth proportional to 12,776.63, 19,165.11 and 4,011.54 is: 6,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.63 : 19,165.11 = 4,011.54 : x
  2. Step 2: Convert to fraction form
    12,776.63/19,165.11 = 4,011.54/x
  3. Step 3: Cross multiply
    12,776.63x = 19,165.11 × 4,011.54
  4. Step 4: Simplify right side
    12,776.63x = 76,881,605.37
  5. Step 5: Solve for x
    x = 76,881,605.37/12,776.63
  6. Step 6: Final answer
    x = 6,017.36

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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.