Home / 12,617.04-18,927.78-5,217.35

Finding the Fourth Proportional to 12,617.04, 18,927.78 and 5,217.35

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Solution

The fourth proportional to 12,617.04, 18,927.78 and 5,217.35 is: 7,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.04 : 18,927.78 = 5,217.35 : x
  2. Step 2: Convert to fraction form
    12,617.04/18,927.78 = 5,217.35/x
  3. Step 3: Cross multiply
    12,617.04x = 18,927.78 × 5,217.35
  4. Step 4: Simplify right side
    12,617.04x = 98,752,852.98
  5. Step 5: Solve for x
    x = 98,752,852.98/12,617.04
  6. Step 6: Final answer
    x = 7,826.95

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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.