Home / 19,311.62-26,643.83-10,812.49

Finding the Fourth Proportional to 19,311.62, 26,643.83 and 10,812.49

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Solution

The fourth proportional to 19,311.62, 26,643.83 and 10,812.49 is: 14,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.62 : 26,643.83 = 10,812.49 : x
  2. Step 2: Convert to fraction form
    19,311.62/26,643.83 = 10,812.49/x
  3. Step 3: Cross multiply
    19,311.62x = 26,643.83 × 10,812.49
  4. Step 4: Simplify right side
    19,311.62x = 288,086,024.76
  5. Step 5: Solve for x
    x = 288,086,024.76/19,311.62
  6. Step 6: Final answer
    x = 14,917.76

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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.