Home / 19,144.21-26,416.99-10,644.96

Finding the Fourth Proportional to 19,144.21, 26,416.99 and 10,644.96

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Solution

The fourth proportional to 19,144.21, 26,416.99 and 10,644.96 is: 14,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.21 : 26,416.99 = 10,644.96 : x
  2. Step 2: Convert to fraction form
    19,144.21/26,416.99 = 10,644.96/x
  3. Step 3: Cross multiply
    19,144.21x = 26,416.99 × 10,644.96
  4. Step 4: Simplify right side
    19,144.21x = 281,207,867.91
  5. Step 5: Solve for x
    x = 281,207,867.91/19,144.21
  6. Step 6: Final answer
    x = 14,688.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.