Home / 14,395.13-21,576.31-8,760.38

Finding the Fourth Proportional to 14,395.13, 21,576.31 and 8,760.38

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Solution

The fourth proportional to 14,395.13, 21,576.31 and 8,760.38 is: 13,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.13 : 21,576.31 = 8,760.38 : x
  2. Step 2: Convert to fraction form
    14,395.13/21,576.31 = 8,760.38/x
  3. Step 3: Cross multiply
    14,395.13x = 21,576.31 × 8,760.38
  4. Step 4: Simplify right side
    14,395.13x = 189,016,544.82
  5. Step 5: Solve for x
    x = 189,016,544.82/14,395.13
  6. Step 6: Final answer
    x = 13,130.59

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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.