Home / 18,835.82-28,253.90-5,688.30

Finding the Fourth Proportional to 18,835.82, 28,253.90 and 5,688.30

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Solution

The fourth proportional to 18,835.82, 28,253.90 and 5,688.30 is: 8,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.82 : 28,253.90 = 5,688.30 : x
  2. Step 2: Convert to fraction form
    18,835.82/28,253.90 = 5,688.30/x
  3. Step 3: Cross multiply
    18,835.82x = 28,253.90 × 5,688.30
  4. Step 4: Simplify right side
    18,835.82x = 160,716,659.37
  5. Step 5: Solve for x
    x = 160,716,659.37/18,835.82
  6. Step 6: Final answer
    x = 8,532.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.