Home / 12,894.18-19,339.26-4,995.54

Finding the Fourth Proportional to 12,894.18, 19,339.26 and 4,995.54

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Solution

The fourth proportional to 12,894.18, 19,339.26 and 4,995.54 is: 7,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.18 : 19,339.26 = 4,995.54 : x
  2. Step 2: Convert to fraction form
    12,894.18/19,339.26 = 4,995.54/x
  3. Step 3: Cross multiply
    12,894.18x = 19,339.26 × 4,995.54
  4. Step 4: Simplify right side
    12,894.18x = 96,610,046.90
  5. Step 5: Solve for x
    x = 96,610,046.90/12,894.18
  6. Step 6: Final answer
    x = 7,492.53

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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.