Home / 34,644.10-51,966.15-12,458.20

Finding the Fourth Proportional to 34,644.10, 51,966.15 and 12,458.20

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Solution

The fourth proportional to 34,644.10, 51,966.15 and 12,458.20 is: 18,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.10 : 51,966.15 = 12,458.20 : x
  2. Step 2: Convert to fraction form
    34,644.10/51,966.15 = 12,458.20/x
  3. Step 3: Cross multiply
    34,644.10x = 51,966.15 × 12,458.20
  4. Step 4: Simplify right side
    34,644.10x = 647,404,689.93
  5. Step 5: Solve for x
    x = 647,404,689.93/34,644.10
  6. Step 6: Final answer
    x = 18,687.30

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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.