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Finding the Fourth Proportional to 18,863, 26,030.94 and 10,479.56

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Solution

The fourth proportional to 18,863, 26,030.94 and 10,479.56 is: 14,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863 : 26,030.94 = 10,479.56 : x
  2. Step 2: Convert to fraction form
    18,863/26,030.94 = 10,479.56/x
  3. Step 3: Cross multiply
    18,863x = 26,030.94 × 10,479.56
  4. Step 4: Simplify right side
    18,863x = 272,792,797.59
  5. Step 5: Solve for x
    x = 272,792,797.59/18,863
  6. Step 6: Final answer
    x = 14,461.79

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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.