Home / 12,776.13-19,164.74-4,456.98

Finding the Fourth Proportional to 12,776.13, 19,164.74 and 4,456.98

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Solution

The fourth proportional to 12,776.13, 19,164.74 and 4,456.98 is: 6,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.13 : 19,164.74 = 4,456.98 : x
  2. Step 2: Convert to fraction form
    12,776.13/19,164.74 = 4,456.98/x
  3. Step 3: Cross multiply
    12,776.13x = 19,164.74 × 4,456.98
  4. Step 4: Simplify right side
    12,776.13x = 85,416,840.60
  5. Step 5: Solve for x
    x = 85,416,840.60/12,776.13
  6. Step 6: Final answer
    x = 6,685.66

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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.