Home / 11,689.04-17,533.71-3,897.86

Finding the Fourth Proportional to 11,689.04, 17,533.71 and 3,897.86

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Solution

The fourth proportional to 11,689.04, 17,533.71 and 3,897.86 is: 5,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.04 : 17,533.71 = 3,897.86 : x
  2. Step 2: Convert to fraction form
    11,689.04/17,533.71 = 3,897.86/x
  3. Step 3: Cross multiply
    11,689.04x = 17,533.71 × 3,897.86
  4. Step 4: Simplify right side
    11,689.04x = 68,343,859.19
  5. Step 5: Solve for x
    x = 68,343,859.19/11,689.04
  6. Step 6: Final answer
    x = 5,846.83

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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.