Home / 12,262.62-18,395.76-5,689.47

Finding the Fourth Proportional to 12,262.62, 18,395.76 and 5,689.47

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Solution

The fourth proportional to 12,262.62, 18,395.76 and 5,689.47 is: 8,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.62 : 18,395.76 = 5,689.47 : x
  2. Step 2: Convert to fraction form
    12,262.62/18,395.76 = 5,689.47/x
  3. Step 3: Cross multiply
    12,262.62x = 18,395.76 × 5,689.47
  4. Step 4: Simplify right side
    12,262.62x = 104,662,124.65
  5. Step 5: Solve for x
    x = 104,662,124.65/12,262.62
  6. Step 6: Final answer
    x = 8,535.05

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1.5x scale

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.