Home / 12,767.55-19,165.73-7,576.35

Finding the Fourth Proportional to 12,767.55, 19,165.73 and 7,576.35

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Solution

The fourth proportional to 12,767.55, 19,165.73 and 7,576.35 is: 11,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.55 : 19,165.73 = 7,576.35 : x
  2. Step 2: Convert to fraction form
    12,767.55/19,165.73 = 7,576.35/x
  3. Step 3: Cross multiply
    12,767.55x = 19,165.73 × 7,576.35
  4. Step 4: Simplify right side
    12,767.55x = 145,206,240.60
  5. Step 5: Solve for x
    x = 145,206,240.60/12,767.55
  6. Step 6: Final answer
    x = 11,373.07

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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.