Home / 18,746.06-25,870.50-10,789.43

Finding the Fourth Proportional to 18,746.06, 25,870.50 and 10,789.43

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Solution

The fourth proportional to 18,746.06, 25,870.50 and 10,789.43 is: 14,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.06 : 25,870.50 = 10,789.43 : x
  2. Step 2: Convert to fraction form
    18,746.06/25,870.50 = 10,789.43/x
  3. Step 3: Cross multiply
    18,746.06x = 25,870.50 × 10,789.43
  4. Step 4: Simplify right side
    18,746.06x = 279,127,819.46
  5. Step 5: Solve for x
    x = 279,127,819.46/18,746.06
  6. Step 6: Final answer
    x = 14,889.95

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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.