Home / 12,490.54-18,733.26-4,590.34

Finding the Fourth Proportional to 12,490.54, 18,733.26 and 4,590.34

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Solution

The fourth proportional to 12,490.54, 18,733.26 and 4,590.34 is: 6,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.54 : 18,733.26 = 4,590.34 : x
  2. Step 2: Convert to fraction form
    12,490.54/18,733.26 = 4,590.34/x
  3. Step 3: Cross multiply
    12,490.54x = 18,733.26 × 4,590.34
  4. Step 4: Simplify right side
    12,490.54x = 85,992,032.71
  5. Step 5: Solve for x
    x = 85,992,032.71/12,490.54
  6. Step 6: Final answer
    x = 6,884.57

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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.