Home / 12,648.08-18,974.54-4,856.28

Finding the Fourth Proportional to 12,648.08, 18,974.54 and 4,856.28

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Solution

The fourth proportional to 12,648.08, 18,974.54 and 4,856.28 is: 7,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.08 : 18,974.54 = 4,856.28 : x
  2. Step 2: Convert to fraction form
    12,648.08/18,974.54 = 4,856.28/x
  3. Step 3: Cross multiply
    12,648.08x = 18,974.54 × 4,856.28
  4. Step 4: Simplify right side
    12,648.08x = 92,145,679.11
  5. Step 5: Solve for x
    x = 92,145,679.11/12,648.08
  6. Step 6: Final answer
    x = 7,285.35

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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.