Home / 10,689.69-16,033.32-2,897.91

Finding the Fourth Proportional to 10,689.69, 16,033.32 and 2,897.91

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Solution

The fourth proportional to 10,689.69, 16,033.32 and 2,897.91 is: 4,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.69 : 16,033.32 = 2,897.91 : x
  2. Step 2: Convert to fraction form
    10,689.69/16,033.32 = 2,897.91/x
  3. Step 3: Cross multiply
    10,689.69x = 16,033.32 × 2,897.91
  4. Step 4: Simplify right side
    10,689.69x = 46,463,118.36
  5. Step 5: Solve for x
    x = 46,463,118.36/10,689.69
  6. Step 6: Final answer
    x = 4,346.54

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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.