Home / 12,776.40-19,165.41-4,011.66

Finding the Fourth Proportional to 12,776.40, 19,165.41 and 4,011.66

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Solution

The fourth proportional to 12,776.40, 19,165.41 and 4,011.66 is: 6,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.40 : 19,165.41 = 4,011.66 : x
  2. Step 2: Convert to fraction form
    12,776.40/19,165.41 = 4,011.66/x
  3. Step 3: Cross multiply
    12,776.40x = 19,165.41 × 4,011.66
  4. Step 4: Simplify right side
    12,776.40x = 76,885,108.68
  5. Step 5: Solve for x
    x = 76,885,108.68/12,776.40
  6. Step 6: Final answer
    x = 6,017.74

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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.