Home / 12,015.92-18,017.40-4,622.24

Finding the Fourth Proportional to 12,015.92, 18,017.40 and 4,622.24

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Solution

The fourth proportional to 12,015.92, 18,017.40 and 4,622.24 is: 6,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.92 : 18,017.40 = 4,622.24 : x
  2. Step 2: Convert to fraction form
    12,015.92/18,017.40 = 4,622.24/x
  3. Step 3: Cross multiply
    12,015.92x = 18,017.40 × 4,622.24
  4. Step 4: Simplify right side
    12,015.92x = 83,280,746.98
  5. Step 5: Solve for x
    x = 83,280,746.98/12,015.92
  6. Step 6: Final answer
    x = 6,930.87

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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.