Home / 9,818.62-14,730.66-4,272.45

Finding the Fourth Proportional to 9,818.62, 14,730.66 and 4,272.45

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Solution

The fourth proportional to 9,818.62, 14,730.66 and 4,272.45 is: 6,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.62 : 14,730.66 = 4,272.45 : x
  2. Step 2: Convert to fraction form
    9,818.62/14,730.66 = 4,272.45/x
  3. Step 3: Cross multiply
    9,818.62x = 14,730.66 × 4,272.45
  4. Step 4: Simplify right side
    9,818.62x = 62,935,953.08
  5. Step 5: Solve for x
    x = 62,935,953.08/9,818.62
  6. Step 6: Final answer
    x = 6,409.86

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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.