Home / 12,521.43-18,785.67-6,273.90

Finding the Fourth Proportional to 12,521.43, 18,785.67 and 6,273.90

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Solution

The fourth proportional to 12,521.43, 18,785.67 and 6,273.90 is: 9,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.43 : 18,785.67 = 6,273.90 : x
  2. Step 2: Convert to fraction form
    12,521.43/18,785.67 = 6,273.90/x
  3. Step 3: Cross multiply
    12,521.43x = 18,785.67 × 6,273.90
  4. Step 4: Simplify right side
    12,521.43x = 117,859,415.01
  5. Step 5: Solve for x
    x = 117,859,415.01/12,521.43
  6. Step 6: Final answer
    x = 9,412.62

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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.