Home / 12,590.44-18,886.14-4,694.92

Finding the Fourth Proportional to 12,590.44, 18,886.14 and 4,694.92

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Solution

The fourth proportional to 12,590.44, 18,886.14 and 4,694.92 is: 7,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.44 : 18,886.14 = 4,694.92 : x
  2. Step 2: Convert to fraction form
    12,590.44/18,886.14 = 4,694.92/x
  3. Step 3: Cross multiply
    12,590.44x = 18,886.14 × 4,694.92
  4. Step 4: Simplify right side
    12,590.44x = 88,668,916.41
  5. Step 5: Solve for x
    x = 88,668,916.41/12,590.44
  6. Step 6: Final answer
    x = 7,042.56

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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.