Home / 18,580.68-25,648.92-13,856.76

Finding the Fourth Proportional to 18,580.68, 25,648.92 and 13,856.76

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Solution

The fourth proportional to 18,580.68, 25,648.92 and 13,856.76 is: 19,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.68 : 25,648.92 = 13,856.76 : x
  2. Step 2: Convert to fraction form
    18,580.68/25,648.92 = 13,856.76/x
  3. Step 3: Cross multiply
    18,580.68x = 25,648.92 × 13,856.76
  4. Step 4: Simplify right side
    18,580.68x = 355,410,928.70
  5. Step 5: Solve for x
    x = 355,410,928.70/18,580.68
  6. Step 6: Final answer
    x = 19,127.98

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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.