Home / 13,210.55-19,818.41-4,890.64

Finding the Fourth Proportional to 13,210.55, 19,818.41 and 4,890.64

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Solution

The fourth proportional to 13,210.55, 19,818.41 and 4,890.64 is: 7,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.55 : 19,818.41 = 4,890.64 : x
  2. Step 2: Convert to fraction form
    13,210.55/19,818.41 = 4,890.64/x
  3. Step 3: Cross multiply
    13,210.55x = 19,818.41 × 4,890.64
  4. Step 4: Simplify right side
    13,210.55x = 96,924,708.68
  5. Step 5: Solve for x
    x = 96,924,708.68/13,210.55
  6. Step 6: Final answer
    x = 7,336.92

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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.