Home / 18,350.91-27,463.80-12,730.50

Finding the Fourth Proportional to 18,350.91, 27,463.80 and 12,730.50

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Solution

The fourth proportional to 18,350.91, 27,463.80 and 12,730.50 is: 19,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.91 : 27,463.80 = 12,730.50 : x
  2. Step 2: Convert to fraction form
    18,350.91/27,463.80 = 12,730.50/x
  3. Step 3: Cross multiply
    18,350.91x = 27,463.80 × 12,730.50
  4. Step 4: Simplify right side
    18,350.91x = 349,627,905.90
  5. Step 5: Solve for x
    x = 349,627,905.90/18,350.91
  6. Step 6: Final answer
    x = 19,052.35

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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.