Home / 19,723.98-27,219.12-10,771.68

Finding the Fourth Proportional to 19,723.98, 27,219.12 and 10,771.68

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Solution

The fourth proportional to 19,723.98, 27,219.12 and 10,771.68 is: 14,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.98 : 27,219.12 = 10,771.68 : x
  2. Step 2: Convert to fraction form
    19,723.98/27,219.12 = 10,771.68/x
  3. Step 3: Cross multiply
    19,723.98x = 27,219.12 × 10,771.68
  4. Step 4: Simplify right side
    19,723.98x = 293,195,650.52
  5. Step 5: Solve for x
    x = 293,195,650.52/19,723.98
  6. Step 6: Final answer
    x = 14,864.93

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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.