Home / 18,856.85-28,285.54-4,817.00

Finding the Fourth Proportional to 18,856.85, 28,285.54 and 4,817.00

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Solution

The fourth proportional to 18,856.85, 28,285.54 and 4,817.00 is: 7,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.85 : 28,285.54 = 4,817.00 : x
  2. Step 2: Convert to fraction form
    18,856.85/28,285.54 = 4,817.00/x
  3. Step 3: Cross multiply
    18,856.85x = 28,285.54 × 4,817.00
  4. Step 4: Simplify right side
    18,856.85x = 136,251,405.84
  5. Step 5: Solve for x
    x = 136,251,405.84/18,856.85
  6. Step 6: Final answer
    x = 7,225.56

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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.