Home / 18,838.56-28,257.64-4,607.18

Finding the Fourth Proportional to 18,838.56, 28,257.64 and 4,607.18

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Solution

The fourth proportional to 18,838.56, 28,257.64 and 4,607.18 is: 6,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.56 : 28,257.64 = 4,607.18 : x
  2. Step 2: Convert to fraction form
    18,838.56/28,257.64 = 4,607.18/x
  3. Step 3: Cross multiply
    18,838.56x = 28,257.64 × 4,607.18
  4. Step 4: Simplify right side
    18,838.56x = 130,188,033.86
  5. Step 5: Solve for x
    x = 130,188,033.86/18,838.56
  6. Step 6: Final answer
    x = 6,910.72

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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.