Home / 12,775.55-19,165.13-4,454.36

Finding the Fourth Proportional to 12,775.55, 19,165.13 and 4,454.36

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Solution

The fourth proportional to 12,775.55, 19,165.13 and 4,454.36 is: 6,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.55 : 19,165.13 = 4,454.36 : x
  2. Step 2: Convert to fraction form
    12,775.55/19,165.13 = 4,454.36/x
  3. Step 3: Cross multiply
    12,775.55x = 19,165.13 × 4,454.36
  4. Step 4: Simplify right side
    12,775.55x = 85,368,270.37
  5. Step 5: Solve for x
    x = 85,368,270.37/12,775.55
  6. Step 6: Final answer
    x = 6,682.16

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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.