Home / 19,423.12-29,134.68-7,736.44

Finding the Fourth Proportional to 19,423.12, 29,134.68 and 7,736.44

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Solution

The fourth proportional to 19,423.12, 29,134.68 and 7,736.44 is: 11,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.12 : 29,134.68 = 7,736.44 : x
  2. Step 2: Convert to fraction form
    19,423.12/29,134.68 = 7,736.44/x
  3. Step 3: Cross multiply
    19,423.12x = 29,134.68 × 7,736.44
  4. Step 4: Simplify right side
    19,423.12x = 225,398,703.74
  5. Step 5: Solve for x
    x = 225,398,703.74/19,423.12
  6. Step 6: Final answer
    x = 11,604.66

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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.