Home / 20,947.59-31,416.53-6,152.54

Finding the Fourth Proportional to 20,947.59, 31,416.53 and 6,152.54

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Solution

The fourth proportional to 20,947.59, 31,416.53 and 6,152.54 is: 9,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947.59 : 31,416.53 = 6,152.54 : x
  2. Step 2: Convert to fraction form
    20,947.59/31,416.53 = 6,152.54/x
  3. Step 3: Cross multiply
    20,947.59x = 31,416.53 × 6,152.54
  4. Step 4: Simplify right side
    20,947.59x = 193,291,269.64
  5. Step 5: Solve for x
    x = 193,291,269.64/20,947.59
  6. Step 6: Final answer
    x = 9,227.38

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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.