Home / 18,788.64-25,947.99-12,835.68

Finding the Fourth Proportional to 18,788.64, 25,947.99 and 12,835.68

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Solution

The fourth proportional to 18,788.64, 25,947.99 and 12,835.68 is: 17,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.64 : 25,947.99 = 12,835.68 : x
  2. Step 2: Convert to fraction form
    18,788.64/25,947.99 = 12,835.68/x
  3. Step 3: Cross multiply
    18,788.64x = 25,947.99 × 12,835.68
  4. Step 4: Simplify right side
    18,788.64x = 333,060,096.28
  5. Step 5: Solve for x
    x = 333,060,096.28/18,788.64
  6. Step 6: Final answer
    x = 17,726.67

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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.