Home / 18,521.46-27,782.15-4,670.46

Finding the Fourth Proportional to 18,521.46, 27,782.15 and 4,670.46

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Solution

The fourth proportional to 18,521.46, 27,782.15 and 4,670.46 is: 7,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.46 : 27,782.15 = 4,670.46 : x
  2. Step 2: Convert to fraction form
    18,521.46/27,782.15 = 4,670.46/x
  3. Step 3: Cross multiply
    18,521.46x = 27,782.15 × 4,670.46
  4. Step 4: Simplify right side
    18,521.46x = 129,755,396.94
  5. Step 5: Solve for x
    x = 129,755,396.94/18,521.46
  6. Step 6: Final answer
    x = 7,005.68

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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.