Home / 12,492.54-18,738.81-3,727.17

Finding the Fourth Proportional to 12,492.54, 18,738.81 and 3,727.17

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Solution

The fourth proportional to 12,492.54, 18,738.81 and 3,727.17 is: 5,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.54 : 18,738.81 = 3,727.17 : x
  2. Step 2: Convert to fraction form
    12,492.54/18,738.81 = 3,727.17/x
  3. Step 3: Cross multiply
    12,492.54x = 18,738.81 × 3,727.17
  4. Step 4: Simplify right side
    12,492.54x = 69,842,730.47
  5. Step 5: Solve for x
    x = 69,842,730.47/12,492.54
  6. Step 6: Final answer
    x = 5,590.76

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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.