Home / 9,818.68-14,726.80-3,243.28

Finding the Fourth Proportional to 9,818.68, 14,726.80 and 3,243.28

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Solution

The fourth proportional to 9,818.68, 14,726.80 and 3,243.28 is: 4,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.68 : 14,726.80 = 3,243.28 : x
  2. Step 2: Convert to fraction form
    9,818.68/14,726.80 = 3,243.28/x
  3. Step 3: Cross multiply
    9,818.68x = 14,726.80 × 3,243.28
  4. Step 4: Simplify right side
    9,818.68x = 47,763,135.90
  5. Step 5: Solve for x
    x = 47,763,135.90/9,818.68
  6. Step 6: Final answer
    x = 4,864.52

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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.