Home / 14,576.10-21,890.55-12,761.70

Finding the Fourth Proportional to 14,576.10, 21,890.55 and 12,761.70

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Solution

The fourth proportional to 14,576.10, 21,890.55 and 12,761.70 is: 19,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.10 : 21,890.55 = 12,761.70 : x
  2. Step 2: Convert to fraction form
    14,576.10/21,890.55 = 12,761.70/x
  3. Step 3: Cross multiply
    14,576.10x = 21,890.55 × 12,761.70
  4. Step 4: Simplify right side
    14,576.10x = 279,360,631.94
  5. Step 5: Solve for x
    x = 279,360,631.94/14,576.10
  6. Step 6: Final answer
    x = 19,165.66

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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.