Home / 12,747.47-19,126.26-5,725.58

Finding the Fourth Proportional to 12,747.47, 19,126.26 and 5,725.58

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Solution

The fourth proportional to 12,747.47, 19,126.26 and 5,725.58 is: 8,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.47 : 19,126.26 = 5,725.58 : x
  2. Step 2: Convert to fraction form
    12,747.47/19,126.26 = 5,725.58/x
  3. Step 3: Cross multiply
    12,747.47x = 19,126.26 × 5,725.58
  4. Step 4: Simplify right side
    12,747.47x = 109,508,836.10
  5. Step 5: Solve for x
    x = 109,508,836.10/12,747.47
  6. Step 6: Final answer
    x = 8,590.64

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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.