Home / 19,217.91-26,520.75-10,720.59

Finding the Fourth Proportional to 19,217.91, 26,520.75 and 10,720.59

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Solution

The fourth proportional to 19,217.91, 26,520.75 and 10,720.59 is: 14,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.91 : 26,520.75 = 10,720.59 : x
  2. Step 2: Convert to fraction form
    19,217.91/26,520.75 = 10,720.59/x
  3. Step 3: Cross multiply
    19,217.91x = 26,520.75 × 10,720.59
  4. Step 4: Simplify right side
    19,217.91x = 284,318,087.24
  5. Step 5: Solve for x
    x = 284,318,087.24/19,217.91
  6. Step 6: Final answer
    x = 14,794.43

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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.