Home / 9,818.28-14,725.80-3,153.87

Finding the Fourth Proportional to 9,818.28, 14,725.80 and 3,153.87

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Solution

The fourth proportional to 9,818.28, 14,725.80 and 3,153.87 is: 4,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.28 : 14,725.80 = 3,153.87 : x
  2. Step 2: Convert to fraction form
    9,818.28/14,725.80 = 3,153.87/x
  3. Step 3: Cross multiply
    9,818.28x = 14,725.80 × 3,153.87
  4. Step 4: Simplify right side
    9,818.28x = 46,443,258.85
  5. Step 5: Solve for x
    x = 46,443,258.85/9,818.28
  6. Step 6: Final answer
    x = 4,730.28

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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.