Home / 13,210.43-19,817.37-4,322.66

Finding the Fourth Proportional to 13,210.43, 19,817.37 and 4,322.66

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Solution

The fourth proportional to 13,210.43, 19,817.37 and 4,322.66 is: 6,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.43 : 19,817.37 = 4,322.66 : x
  2. Step 2: Convert to fraction form
    13,210.43/19,817.37 = 4,322.66/x
  3. Step 3: Cross multiply
    13,210.43x = 19,817.37 × 4,322.66
  4. Step 4: Simplify right side
    13,210.43x = 85,663,653.52
  5. Step 5: Solve for x
    x = 85,663,653.52/13,210.43
  6. Step 6: Final answer
    x = 6,484.55

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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.