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Finding the Fourth Proportional to 19,019.16, 26,244 and 10,520.64

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Solution

The fourth proportional to 19,019.16, 26,244 and 10,520.64 is: 14,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.16 : 26,244 = 10,520.64 : x
  2. Step 2: Convert to fraction form
    19,019.16/26,244 = 10,520.64/x
  3. Step 3: Cross multiply
    19,019.16x = 26,244 × 10,520.64
  4. Step 4: Simplify right side
    19,019.16x = 276,103,676.16
  5. Step 5: Solve for x
    x = 276,103,676.16/19,019.16
  6. Step 6: Final answer
    x = 14,517.13

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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.