Home / 19,201.50-26,498.34-10,818

Finding the Fourth Proportional to 19,201.50, 26,498.34 and 10,818

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Solution

The fourth proportional to 19,201.50, 26,498.34 and 10,818 is: 14,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.50 : 26,498.34 = 10,818 : x
  2. Step 2: Convert to fraction form
    19,201.50/26,498.34 = 10,818/x
  3. Step 3: Cross multiply
    19,201.50x = 26,498.34 × 10,818
  4. Step 4: Simplify right side
    19,201.50x = 286,659,042.12
  5. Step 5: Solve for x
    x = 286,659,042.12/19,201.50
  6. Step 6: Final answer
    x = 14,928.99

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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.